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Ravi 10/02/2015 in  Class VI-VIII Tuition

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Dr Ashok replied | 21/02/2015

The law of conservation of energy states that matter can neither be created or destroyed

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Shilpa replied | 19/04/2015

Consevation of energy is that the total energy of an isolated system is always constant.energy can't be neither created nor be destroyed.

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Ravi 10/02/2015 in  Class VI-VIII Tuition

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Abirami replied | 27/02/2015

Work done by conservative force in 1 cycle is zero.

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Ravi replied | 28/04/2015

0

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Ravi 10/02/2015 in  Class VI-VIII Tuition

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Ajay replied | 26/02/2015

Energy is input to get output in the form of work.

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Ravi replied | 28/04/2015

YES

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Ravi 10/02/2015 in  Class VI-VIII Tuition

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Abuzar replied | 13/02/2015

The potential difference across conductor is directly proportional to the current flowing through it.

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Roslin replied | 18/02/2015

According to Ohm’s law, the current flowing in a conductor is directly proportional to the potential difference across its ends provided the physical conditions and the temperature of the conductor remains constant.

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Ravi 10/02/2015 in  Class VI-VIII Tuition

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Yarra replied | 13/02/2015

This is the reaction where a single compound break down into two or more compounds. Ex: H2O ( water Molecule splitting into Hydrogen and Oxygen

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Roslin replied | 18/02/2015

A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds. These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds.
Examples: Water can be separated by electrolysis into hydrogen gas and oxygen gas through the decomposition reaction:...  more»
A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds. These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds.
Examples: Water can be separated by electrolysis into hydrogen gas and oxygen gas through the decomposition reaction:

2 H2O ? 2 H2 + O2 «less

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G Prasad replied | 11/02/2015

If you have to explain a numerical problem you will require a whiteboard. Else Skype and powerpoint can be used.

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Sujatha replied | 13/02/2015

If the task is complex we can use whiteboard otherwise skype is enough.

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Dr Ashok replied | 18/02/2015

The best grammar book I have ever seen is "Longman's Grammar of spoken and written English". Teaching English grammer is an art and the best way to teach is to make students understand grammar is by relating day to day activities to actual grammar concepts

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Deepak replied | 21/02/2015

Put the grammatical item as the form of family members into the brain of students. And give revision for three chapters verb,tense and Syntex. These three things do miracle to boost up the language. As far as book is concern it depends on student and they can select any book which they feel comfortable to read.

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Gyanendra replied | 13/04/2016

fee depend on quality and result oreantation

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Chetan replied | 23/06/2016

point no 2 and demand & supply is very much valid. others are theoretical.

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Prashant replied | 21/11/2016

B

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Sudhakar replied | 22/11/2016

B

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Srikanth 07/02/2015 in  Class VI-VIII Tuition

It is easier to roll a stone up a sloping road than to lift it vertical upwards because A. work done in rolling is more than in lifting B. work done in lifting the stone is equal to rolling it C. work done in both is same but the rate of doing work is less in rolling D. work done in rolling a stone is less than in lifting it  more»

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Anitha replied | 08/02/2015

A

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Anitha replied | 08/02/2015

D

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Vivek replied | 05/06/2015

C

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Maddali replied | 09/06/2015

8.3min

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Ajay replied | 08/02/2015

Pressure i.e equal to force/ area

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Nisha replied | 21/04/2015

Pressure

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Srikanth 07/02/2015 in  Class VI-VIII Tuition

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Pavitra replied | 08/02/2015

Light year is a unit of distance.

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Anitha replied | 08/02/2015

distance

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Roslin replied | 09/02/2015

B. Field

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G Prasad replied | 11/02/2015

Field

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Priyanka replied | 13/02/2015

800 to 1000

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Ravi replied | 28/04/2015

300-400 per hour

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Roslin 06/02/2015 in  Class VI-VIII Tuition

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Sadula replied | 07/02/2015

Laws of exponents means a power m x a power n equal to a power m + n model formulas

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Anitha replied | 08/02/2015

Rule Example
Product rules a n a m = a n+m
23 24 = 23+4 = 128
a n b n = (a b) n 32 42 = (3 4)2 = 144
Quotient rules a n / a m = a n-m 25 / 23 = 25-3 = 4
a n / b n = (a / b) n 43 / 23 = (4/2)3 = 8
Power rules (bn)m = bn m (23)2 = 23 2 = 64
bnm = b(nm) 232 = 2(32)= 512
m?(bn) = b n/m 2?(26) = 26/2 = 8
b1/n = n?b 81/3...  more»
Rule Example
Product rules a n · a m = a n+m
23 · 24 = 23+4 = 128
a n · b n = (a · b) n 32 · 42 = (3·4)2 = 144
Quotient rules a n / a m = a n-m 25 / 23 = 25-3 = 4
a n / b n = (a / b) n 43 / 23 = (4/2)3 = 8
Power rules (bn)m = bn·m (23)2 = 23·2 = 64
bnm = b(nm) 232 = 2(32)= 512
m?(bn) = b n/m 2?(26) = 26/2 = 8
b1/n = n?b 81/3 = 3?8 = 2
Negative exponents b-n = 1 / bn 2-3 = 1/23 = 0.125
Zero rules b0 = 1 50 = 1
0n = 0 , for n>0 05 = 0
One rules b1 = b 51 = 5
1n = 1 15 = 1
Minus one rule «less

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Roslin 06/02/2015 in  Class VI-VIII Tuition

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Abuzar replied | 15/02/2015

2

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Nisha replied | 21/04/2015

The answer is 2

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Akash replied | 06/02/2015

i) g=2(ut-s)/t^2
ii) Put the value of t=10, s=10 and u =50 (which is given in the question) in the above formula.
g=2(50*10-10)/10^2 = 4.9
Ans : 4.9

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Chandrasekaran replied | 06/02/2015

9.8

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Srikanth 07/02/2015 in  Class VI-VIII Tuition

1. Radiocarbon is produced in the atmosphere as a result of A. collision between fast neutrons and nitrogen nuclei present in the atmosphere B. action of ultraviolet light from the sun on atmospheric oxygen C. action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere D. lightning discharge in atmosphere  more»

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Dr Ashok replied | 07/02/2015

A. collision between fast neutrons and nitrogen nuclei present in the atmosphere

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Anitha replied | 08/02/2015

c

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Ishu replied | 26/03/2015

B

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Ravi replied | 28/04/2015

b

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Anitha replied | 08/02/2015

A

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Ishu replied | 26/03/2015

A

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Artheeswari replied | 11/02/2015

A. unequal heating of different part of atmosphere
A.due to unequal heating of different parts of atmosphere

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Abuzar replied | 15/02/2015

A

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Srikanth 07/02/2015 in  Class VI-VIII Tuition

Planets do not twinkle because A. they emit light of a constant intensity B. their distance from the earth does not change with time C. they are very far away from the earth resulting in decrease in intensity of light D. they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity...  more»

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Pavitra replied | 22/02/2015

D.

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Priti replied | 15/04/2015

c

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Abuzar replied | 18/02/2015

A

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Shreeragini R K replied | 23/02/2015

They contain free electrons.

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G Prasad replied | 11/02/2015

Option C. Kamaljit Sandhu

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Vandana replied | 11/02/2015

C Kamaljit Sandhu

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