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1
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The quantity of heat needed to change unit mass of a substance from liquid to vapour without changing the temperature, is called 
1
specific heat  
2
specific latent heat 
3
thermal capacity 
4
heat energy 
2
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following statements about surface tension is correct ? 
1
It increases when temperature ‘Increases 
2
It decreases when temperature increases 
3
It will remain same with increase or decrease of temperature 
4
It will always decrease with increase or decrease of temperature 
3
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A body sinks in water when 
1
density of water is greater than density of body 
2
density of water is less than density of body 
3
density of water is equal to density of body 
4
the body is heavy 
4
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Why a fielder in the ground gradually pulls his hands backward while catching a fast moving cricket ball ?
1
To reduce the acceleration of the ball 
2
To increase the acceleration of the ball 
3
To increase the velocity of the ball 
4
None of above 
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