1
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The magnetic field inside a current carrying very long solenoid is 
1
Uniform 
2
Non-uniform 
3
Zero 
4
Highest at mid-point 
2
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following instruments can be used to measure —250°C temperature ? 
1
By using a mercury based thermometer
2
By using an alcohol based thermometer
3
By using a clinical thermometer 
4
By using thermocouple based thermometer 
3
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 
4
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