1
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A boy of mass 52 kg jumps with a horizontal velocity of 2 m/s onto a stationary cart of mass 3 kg. The cart is fixed with frictionless wheels. Which one of the following would be the speed of the cart?
A
2.15 m/s
B
1.89 m/s
C
1.51 m/s
D
2.51 m/s
2
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The energy possessed by a body due to its change in position or shape is called 
A
thermal energy
B
potential energy
C
kinetic energy
D
electric energy
3
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A sound wave has a frequency of 1 kHz and wavelength 50 cm. How long will it take to travel 1 km?
A
5 s
B
4 s
C
3 s
D
2 s
4
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
For an element with atomic number 35, which one of the following will be the correct number of electrons in its valence shell based on Bohr's model of an atom?
A
1
B
3
C
5
D
7
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