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Hussam Uddin replied | 22/07/2016

A balck hole of relatively small mass can pull heavier objects towrads its centre..

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Pritesh replied | 16/08/2016

Yes...small object also attracts large mass.for example,consider any object falling on earth.at that time object also attracts earth towards it but as the mass of object is very small ,the attraction force is small.

Please let me know ,If you still have any doubt.

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Hussam Uddin 01/07/2016 in  IIT JEE Coaching classes

what will happen to an atom if the angular momentum of electron is not quantized??

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NavHari Classes, 'Career is here' replied | 04/07/2016

The values of angular momentum are not restricted to quantized values as the electron flying through space can have any speed, it can have any angular momentum. The angular momentum of a bound electron is quantized because the electron's motion is fully determined by the unique quantum state corresponding to that orbital but the angular momentum of an unbound electron is not associated...  more»
The values of angular momentum are not restricted to quantized values as the electron flying through space can have any speed, it can have any angular momentum. The angular momentum of a bound electron is quantized because the electron's motion is fully determined by the unique quantum state corresponding to that orbital but the angular momentum of an unbound electron is not associated with any kind of spin. So, it moves by itself through space and Its velocity can be anything less than the speed of light. «less

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Neetu replied | 16/07/2016

if the angular momentum of electron is not quantized then the electron have random angular momentum to movement so the atom will not remain in its stable position.

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Venkat 21/06/2016 in  IIT JEE Coaching classes

What are top 10 IIT coaching centres in India?

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Narendra Kumar replied | 15/07/2016

kota , rajasthan ......
if your basics concept is clear then their is no need to run here n their .

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Binita replied | 15/07/2016

1)FIITJEE
2)ALLEN
3)RESONANCE
4)NARAYANA
5)IITIAN'S PACE
6)VIBRANT
7)CAREER POINT
8)AKASH
9)MOTION
10)VIDYAMANDIR

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Iswarya 18/06/2016 in  IIT JEE Coaching classes, IIT JEE Mains Coaching(IIT JEE Coaching classes)

I wish to write jee xam now im doing. 12 th can i able to pass

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Neetu replied | 16/07/2016

with competitive exam give most of the time on learning concept first. So that you will be able to understand the concept of competitive level question also. and if you want to clear JEE in the same year than you have to work hard.

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Abhay Kumar replied | 17/07/2016

Yes sure, but for you need to do hard work. You need to work on the right guided path taken by successful IITJEE candidates.
I am IIT Kanpur graduate for any guid contact me.

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Sunil 01/06/2016 in  IIT JEE Coaching classes

A toaster operating at 240 V has a resistance of 120 ?. The power is ___

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Pritesh replied | 29/08/2016

240 w

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Anamikas 01/06/2016 in  IIT JEE Coaching classes

Thermopile is used to _______

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Siddharth replied | 27/10/2016

Measure thermal radiation

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Mohd 01/06/2016 in  IIT JEE Coaching classes

An electron is moving with a velocity of 3 x 106 m/s perpendicular to a magnetic field of induction 0.5 T. The force experienced by the electron is ____

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Hussam Uddin replied | 03/12/2016

F = Bqv sinx

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Wren 01/06/2016 in  IIT JEE Coaching classes

Which of the following devices does not allow d.c to pass through _ _____

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Pritesh replied | 16/08/2016

capacitor.

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Santosh 01/06/2016 in  IIT JEE Coaching classes

For a D.C circuit the value of capacitive reactance is ?___

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Hussam Uddin replied | 03/12/2016

Zero.

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Uday 01/06/2016 in  IIT JEE Coaching classes

Atomic spectrum should be ________

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Hussam Uddin replied | 03/12/2016

Continuous but it is observed as discrete.

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Raveena 01/06/2016 in  IIT JEE Coaching classes

The current is proportional to the ???. velocity.

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Pritesh replied | 16/08/2016

electron

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Jyoti 01/06/2016 in  IIT JEE Coaching classes

Kirchoff?s first law is a consequence of conservation of ??????.

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Pritesh replied | 16/08/2016

Energy

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Ganga 01/06/2016 in  IIT JEE Coaching classes

A lamp is operated at 240 V and the current is 0.25 A. The resistance value is ???? ohm.

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Pritesh replied | 16/08/2016

960

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Madhu 01/06/2016 in  IIT JEE Coaching classes

he color code of carbon resistor is red_red_black. The resistance of the resistor is

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Devi 01/06/2016 in  IIT JEE Coaching classes

The brown ring at one end of a carbon resistor indicates a tolerance of ___

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Elnaz 01/06/2016 in  IIT JEE Coaching classes

The resistance of the filament of a 110 w, 220 V electric bulb is

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Sanket 01/06/2016 in  IIT JEE Coaching classes

A cell of emf 2.2 V sends a current of 0.2 A through a resistance of 10 ?. The internal resistance of the cell is _

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Varsha 01/06/2016 in  IIT JEE Coaching classes

When n resistors of equal resistance ( R ) are connected in series the effective resistance is ____

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Asif 01/06/2016 in  IIT JEE Coaching classes

Which of the following principles used in a thermopile ____

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Abirami 01/06/2016 in  IIT JEE Coaching classes

The magnitude and direction of the magnetic Lorentz force is given by ___

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Sobha 01/06/2016 in  IIT JEE Coaching classes

When the number of turns (n) in a galvanometer is doubled, current sensitvity ____

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Ambar 01/06/2016 in  IIT JEE Coaching classes

The unit of reduction factor of tangent galvanometer is ____

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Sona 01/06/2016 in  IIT JEE Coaching classes

The galvanometer can be converted into voltmeter by connecting???

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Rakesh 01/06/2016 in  IIT JEE Coaching classes

Phosphor bronze wire is used for suspension in moving coil galvanometer, because it has _____

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Deepak 01/06/2016 in  IIT JEE Coaching classes

Joule?s law of heating is __

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