1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A 100 g sphere is moving at a speed of 20 m/s and collides with another. sphere of mass 50 g. If the second sphere was at rest prior to the collision and the first sphere comes at rest immediately after the collision, considering the collision to be elastic, the speed of the second sphere would be
A
10 m/s
B
20 m/s
C
30 m/s
D
40 m/s
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following optical phenomena supports that the light is a transverse wave?
A
Refraction
B
Diffraction
C
Interference
D
Polarization
3
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language

How many of the following materials can be attracted by a magnet?

1. Plastic

2. Carbon

3. Aluminium

4. Stainless Steel

Select the correct answer using the code given below:

A
1
B
2
C
3
D
None
4
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33

Directions: In this section, the following sentence has a blank space and is followed by four words. Select the word you consider most appropriate to fill in the blank space and indicate your response on the Answer Sheet accordingly.

India has been able to successfully ____________ its population through family planning programmes.

A
sterilise
B
stabilise
C
stratify
D
establish
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