1
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one among the following statements is correct ? 
1
Pressure has magnitude as well as direction: 
2
As we go deeper in a liquid, the pressure decreases 
3
Action and reaction forces act on the same object 
4
Pascal and N/m2 represent the same unit  
2
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following wavelength radiations may correspond to an X-ray ? 
1
1 nm 
2
10 nm
3
100 nm
4
300 nm 
3
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
In a Telescope, compared to the eyepiece lens the objective lens has 
1
larger focal length and larger aperture
2
larger focal length and smaller aperture 
3
smaller focal length and larger aperture
4
smaller focal length and smaller aperture 
4
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The energy, E, of a photon can be expressed as E = hf where f is the frequency and h is Planck’s constant. The dimensions of h are the same as that of 
1
linear momentum 
2
angular momentum 
3
displacement 
4
torque