1.  Its mechanical advantage increases

2.  Its efficiency increases

3.  Its mechanical advantage and efficiency increase

4.  Its efficiency increases but its mechanical advantage decreases

4
Correct Answer :

Its mechanical advantage and efficiency increase


Explanation :
No Explanation available for this question

1.  Same

2.  Different

3.  Infinite

4.  Zero

4
Correct Answer :

Different


Explanation :
No Explanation available for this question

1.  The fusion of uranium present in the Sun

2.  The burning of hydrogen in oxygen

3.  The energy liberated in fusion of protons during the synthesis of heavier nuclei

4.  Gravitational contraction

5.   

5
Correct Answer :

Gravitational contraction


Explanation :
No Explanation available for this question

1.  Infrared ray

2.  Ultra violet

3.  Yellow ray

4.  Red ray

5.   

5
Correct Answer :

Ultra violet


Explanation :
No Explanation available for this question

1.  Coil A

2.  Coil B

3.  Both the coils will produce the same amount of heat

4.  Cannot say

5.   

5
Correct Answer :

Both the coils will produce the same amount of heat


Explanation :
No Explanation available for this question

1.  Power

2.  Energy

3.  e.m.f

4.  Charge

5.   

5
Correct Answer :

Energy


Explanation :
No Explanation available for this question

1.  1043

2.  1036

3.  10-43

4.  10-36

5.   

5
Correct Answer :

10-36


Explanation :
No Explanation available for this question

1.  Curved portion of the characteristics curve

2.   Straight portion of the characteristics curve

3.  Bottom portion of the curve

4.  Top portion of the curve

5.   

5
Correct Answer :

Straight portion of the characteristics curve


Explanation :
No Explanation available for this question

1.  Delayed response

2.  Immediate response

3.  No response

4.  A and Bare true

5.   

5
Correct Answer :

No response


Explanation :
No Explanation available for this question

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