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Shiv 13/04/2016 in  BSc Tuition

 What is Plane of Vibration?

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U.K. replied | 13/04/2016

A plane including the direction of light propagation and the direction of electric field is called the "plane of vibration".

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Muskan 13/04/2016 in  BSc Tuition

What do you mean by interference of light?

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U.K. replied | 13/04/2016

Light rays of exactly same wave length and frequency are called monochromatic. If two monochromatic waves meet at a point, then there may be strengthening or weakening of light intensity depending upon the relative positions of the two waves. This phenomenon is called interference of light.

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Dr replied | 14/07/2016

It is a phenomenon of modification and distribution of intensity of light, when two light waves of same frequency travelling in same direction and having zero or constant phase difference, superimpose on each other

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Swati 13/04/2016 in  BSc Tuition

What is temporal Laser? 

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Neetu replied | 13/06/2016

temporal is a type of coherence. laser action based on coherence.For example, a stabilized and monomode helium–neon laser can easily produce light with coherence lengths of 300 m.

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Abraham 12/04/2016 in  BSc Tuition

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U.K. replied | 30/04/2016

Hypermetropia means long sight and is where the image of a nearby object is formed behind the retina. This could be because the eye is too short, or the cornea or crystalline lens does not refract the light enough.

A hypermetropic person may have blurred vision when looking at objects close to them, and clearer vision when looking at objects in the distance. By placing...  more»
Hypermetropia means long sight and is where the image of a nearby object is formed behind the retina. This could be because the eye is too short, or the cornea or crystalline lens does not refract the light enough.

A hypermetropic person may have blurred vision when looking at objects close to them, and clearer vision when looking at objects in the distance. By placing a convex (plus powered) lens in front of a hypermetropic eye, the image is moved forward and focuses correctly on the retina. «less

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Isha Singh replied | 05/07/2016

Hypermetropia(hyperopia) commonly known as farsightedness or longsightedness,is a defect of vision caused by an imperfection in eye(oftrn when eyeball is too short or the lens cannot become round enough),causing the eye to not have enough power to see close or nearby objects.This defect is usually genetic and can be corrected by using convex lens.It can occur at any stage but become...  more»
Hypermetropia(hyperopia) commonly known as farsightedness or longsightedness,is a defect of vision caused by an imperfection in eye(oftrn when eyeball is too short or the lens cannot become round enough),causing the eye to not have enough power to see close or nearby objects.This defect is usually genetic and can be corrected by using convex lens.It can occur at any stage but become noticeable above the age of 40 years. «less

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Ashwini 12/04/2016 in  BSc Tuition

Can you explain photoelectric effect? 

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Dr replied | 14/07/2016

Light consist of tiny particles called photons. Each photon travel with speed of light. It's frequency does not change when travel from to another medium. The rest mass is zero. Each photon possesses energy and momentum. So, when these photons of high frequency incident upon negatively charged metallic surface, electrons are emitted. The ejected electrons called photo electrons...  more»
Light consist of tiny particles called photons. Each photon travel with speed of light. It's frequency does not change when travel from to another medium. The rest mass is zero. Each photon possesses energy and momentum. So, when these photons of high frequency incident upon negatively charged metallic surface, electrons are emitted. The ejected electrons called photo electrons and the phenomenon called as photo electric effect. «less

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Sarvajeet replied | 07/12/2016

When a radiation with some frequency strikes on a metal electrons is ejected from it. The electrons ejected are called photoelectrons. The effect is called Photo electric effect.

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Ramnarayanan 12/04/2016 in  BSc Tuition

What is Fraunhofer diffraction?

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Dr replied | 14/07/2016

Diffraction: It is the phenomenon of bending of light around the corners and spreading into the geometrical shadow of a tiny object.
Fraunhofer Diffraction: It is a type of diffraction in which source of light and screen are at effectively at infinite distance from the obstacle which causes diffraction. It can be achieved by two convex lens (i) one to make light from source...  more»
Diffraction: It is the phenomenon of bending of light around the corners and spreading into the geometrical shadow of a tiny object.
Fraunhofer Diffraction: It is a type of diffraction in which source of light and screen are at effectively at infinite distance from the obstacle which causes diffraction. It can be achieved by two convex lens (i) one to make light from source to be parallel (ii) other to focus the light after diffraction on the screen. «less

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Sarvajeet replied | 07/12/2016

Fraunhofer diffraction is the type of diffraction that occurs in the limit of small Fresnel number.

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Vibhavesh 12/04/2016 in  BSc Tuition

What are the main components of a LASER?

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Neetu replied | 12/06/2016

Every LASER consists of three basic components. These are -

Lasing material or active medium.

External energy source.

Optical resonator.

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Reena 12/04/2016 in  BSc Tuition

What are the conditions of maxima and minima in an interference pattern?

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Dr Rajni replied | 13/06/2016

Maxima and minima are plural forms of maximum and minimum.

However, in interference and diffraction maxima refers to the zones where the intensity of the light is maximum and minima when the intensity is minimum.

When if minimum of a wave superimposes on maximum of the other, it results in a destructive interference and intensity becomes a minimum of interference...  more»
Maxima and minima are plural forms of maximum and minimum.

However, in interference and diffraction maxima refers to the zones where the intensity of the light is maximum and minima when the intensity is minimum.

When if minimum of a wave superimposes on maximum of the other, it results in a destructive interference and intensity becomes a minimum of interference fringes, while if maxima of a wave superimposes on maxima of another wave or minimum of a wave superimposes on minimum of another wave, intensity becomes maximum.

For maxima path difference x = n?

For minima path difference x = (2n+1)?/2

For interference pattern, in double slit experiment maxima will be found at a distance y from the central maximum ,

y = n?D/d

D = distance between slit and screen

d = separation of the slits.

n = 1, 2, 3 …

For minima

y = (2n+1)?D/2d

In diffraction minima is found by equation

asin? = n?

a = slit width

For maxima the formula is a transcendental equation and not included in your syllabus. «less

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Dr replied | 15/07/2016

Condition for maxima: Path difference between two waves should even multiple of half of wave length.
OR
The phase difference between two waves are even multiple of Pai radian
Condition for Minima: Path difference between two waves is odd multiple of half of wavelength
OR
phase difference between two waves are odd multiple of Pai radian

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Vaijant 18/03/2016 in  BSc Tuition

what is known as partition coefficient?

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Manisha 11/03/2016 in  BSc Tuition

what is the deffination of zero order reaction ?

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Nicholas 10/03/2016 in  BSc Tuition, BCom Tuition, Social Work(BCom Tuition)

When is the dual simplex method useful than simplex method?

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Lalit replied | 01/04/2016

When no of constraints are more than no of constraints.

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Lalit replied | 01/04/2016

When no of constraints are more than no variables then we use dual simplex metod because it reduces our calculation work.

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Rajputana 05/03/2016 in  BSc Tuition

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U.K. replied | 30/04/2016

Regenerative medicine is a game-changing area of medicine with the potential to fully heal damaged tissues and organs, offering solutions and hope for people who have conditions that today are beyond repair.

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Isha Singh replied | 05/07/2016

Regenerative medicine is used to refer to methods to replace or regenerate human cells,tissues or organs in order to restore normal function.This includes cell therapies,tissue engineering,gene therapy and biomedical engineering techniques as well as more traditional treatments involving pharmaceuticals,biologics and devices.

Regenerative medicine harnesses the power...  more»
Regenerative medicine is used to refer to methods to replace or regenerate human cells,tissues or organs in order to restore normal function.This includes cell therapies,tissue engineering,gene therapy and biomedical engineering techniques as well as more traditional treatments involving pharmaceuticals,biologics and devices.

Regenerative medicine harnesses the power of stem cells(are undifferentiated cells that are capable of renewing themselves in definitely.They have unique capability of giving rise to specialized cell types like neurons,muscle cells,heart cells etc.They can be used to heal Parkinsons disease,Alzheimers disease,spinal cord injury,heart disease,diabetes,osteoarthritis etc) to repair,regenerate or replace diseased cells,tissues and organs. «less

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Rajputana 05/03/2016 in  BSc Tuition, Education(BSc Tuition)

Can AIDS spread through mosquito bite? explain.

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Palak replied | 09/03/2016

The "snout" of a mosquito, the part that looks like a needle, is actually composed of six mouthparts. Four of these are used to pierce the skin of the person or animal that the mosquito is biting. The other two parts are composed of two tubes. One of the tubes sends saliva into the host and the other sends blood up to the mosquito. This two tube system is one reason why mosquitoes...  more»
The "snout" of a mosquito, the part that looks like a needle, is actually composed of six mouthparts. Four of these are used to pierce the skin of the person or animal that the mosquito is biting. The other two parts are composed of two tubes. One of the tubes sends saliva into the host and the other sends blood up to the mosquito. This two tube system is one reason why mosquitoes are unable to transmit HIV. Only saliva is injected into humans when a mosquito bites and thus HIV positive blood that a mosquito may have previously ingested is never transmitted to other humans. «less

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Kotwal 04/03/2016 in  BSc Tuition

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Dr replied | 14/07/2016

12.74*10^6 meter=12740Km

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Sarvajeet replied | 07/12/2016

The equatorial diameter of Earth is 12,756 km, its polar diameter is 12,713 km, and its average diameter, which is referred to in common usage is 12,742 km.

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Thammannagari 08/02/2016 in  BSc Tuition

Hi guys ...can i know that which is the best tuition for the course of Bsc computers in Hyderabad

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Sunitha replied | 15/02/2016

Of course so many it depends on location an exact requirement also. May I know the subjects then I'll try my level best as I am lecturer in computer science

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Ashish replied | 06/03/2016

Could you please post your question little bit of more clearly?

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Santhoshy 03/02/2016 in  BSc Tuition

A slow fire bursts into a flame when air is blown on it.but a candle burning with a flame goes off when air is blown on it. Why?

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Headway Academy replied | 25/02/2016

Candle flame surrounding cools faster when we blow since candle do not generate much heat.However a slow fire bursts into a flame when we blow to it because by blowing we are adding up more oxygen which acts as a comburent.

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Aman replied | 16/03/2016

because candle flame is very low

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Galal 21/01/2016 in  BSc Tuition

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U.K. replied | 12/04/2016

Conjugation refers to coming together of two individuals making physical contact to exchange nuclei in Eukaryotes. and conjugation involves transfer of genetic material through an agent(plasmid) in Prokaryotes..

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U.K. replied | 12/04/2016

Conjugation is the overlapping of p-orbitals with delocalization of pi-electrons in chemistry.

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U.K. replied | 13/04/2016

A WHITEBOARD ON LAPTOP OR COMPUTER WITH HIGH SPEED INTERNET CONNECTION.

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Sarvajeet replied | 07/12/2016

Good communication skills and Knowledge about math.

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Aman replied | 16/03/2016

The worm hole is the short cut to travel through one part to another part in space (theoriticaly)

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U.K. replied | 13/04/2016

Wormhole is a term which comes in physics. It is a theoretical passage through which we can travel long distances in the universe. it is a theory only. there is no any existence of worm hole in DNA.

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Akash 03/11/2015 in  BSc Tuition

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U.K. replied | 12/04/2016

Mass number is the sum of number of protons and number of neutrons..

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Sarvajeet replied | 07/12/2016

Mass number = the sum of number of protons and number of neutrons.

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Hitprabha 11/10/2015 in  BSc Tuition

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Krishna replied | 20/01/2016

for science bzc 300/class..

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U.K. replied | 13/04/2016

Rs.12 thousands for entire syllabus of maths 1st year in group classes..

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Mahesh 07/10/2015 in  BSc Tuition

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S Das replied | 12/12/2015

A macro is a fragment of code which has been given a name. Whenever the name is used, it is replaced by the contents of the macro. There are two kinds of macros. They differ mostly in what they look like when they are used.
Though macro and functions sound similar but macro is a preprocessed and functions are compiled. Before compilation macro name is replaced by macro value...  more»
A macro is a fragment of code which has been given a name. Whenever the name is used, it is replaced by the contents of the macro. There are two kinds of macros. They differ mostly in what they look like when they are used.
Though macro and functions sound similar but macro is a preprocessed and functions are compiled. Before compilation macro name is replaced by macro value but during function call , transfer of control takes place. «less

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Lakshmi replied | 09/03/2016

Macros can also accept parameters and return values. Macros that do so are called macro functions. To create a macro function, simply define a macro with a parameter that has whatever name you like, such as my_val. For example, one macro defined in the standard libraries is abs, which returns the absolute value of its parameter. Let us define our own version, ABS, below. (Note that...  more»
Macros can also accept parameters and return values. Macros that do so are called macro functions. To create a macro function, simply define a macro with a parameter that has whatever name you like, such as my_val. For example, one macro defined in the standard libraries is abs, which returns the absolute value of its parameter. Let us define our own version, ABS, below. (Note that we are defining it in upper case not only to avoid conflicting with abs, but also because all macros should be defined in upper case, in the GNU coding style. See Style.)
Macros can also accept parameters and return values. Macros that do so are called macro functions. To create a macro function, simply define a macro with a parameter that has whatever name you like, such as my_val. For example, one macro defined in the standard libraries is abs, which returns the absolute value of its parameter. Let us define our own version, ABS, below. (Note that we are defining it in upper case not only to avoid conflicting with abs, but also because all macros should be defined in upper case, in the GNU coding style. See Style.) «less

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U.K. replied | 30/04/2016

IF ANYONE HAVE MATHS PROBLEMS OF 12TH STD. THEN SEND ME PIC OR SCAN OF PROBLEMS , I WILL REPLY WITH COMPLETE SOLUTIONS.. I TEACH MATHS 10TH , 12TH STD., CET AND JEE MAINS LEVEL ENGG. ENTRANCE EXAM IN BANGALORE AND ALSO ONLINE.. I AM GOLD MEDAL WINNER IN MATHS OLYMPIAD..

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Rajesh replied | 20/06/2016

Good... will send..

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Pitcheswara Rao replied | 17/02/2016

Constant Coefficient Difference Equation

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Sarvajeet replied | 07/12/2016

Suppose the nth term of the given sequence. if the limit as n tends to infinity exist the sequence will be a convergent sequence.

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Arshiya 22/08/2015 in  BSc Tuition

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Career Group replied | 05/12/2015

You tube has good videos related to B.Sc agriculture

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Raj replied | 01/03/2016

see the nptel videos and lecturing

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