1
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following statements is true?
A
The force of gravity of the Earth on the Moon is greater than the force of gravity of the Moon on the Earth.
B
The force of gravity of the Moon on the Earth is greater than the force of gravity of the Earth on the Moon.
C
The force of gravity of the Earth on the Moon and of the Moon on the Earth are equal in magnitude and are in the same direction.
D
The force of gravity of the Earth on the Moon and of the Moon on the Earth are equal in magnitude but are in opposite directions.
2
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
An electric bulb is rated as 220 V and 80 W. When it is operated on 110 V, the power rating would be:
A
80 W
B
60 W
C
40 W
D
20 W
3
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
In the dispersion of white light by a common glass prism, which one among the following is correct?
A
Red light deviates the most because red light has highest speed in prism
B
Blue light deviates the most because blue light has highest speed in prism
C
Red light deviates the most because red light has lowest speed in prism
D
Blue light deviates the most because blue light has lowest speed in prism
4
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Which one among the following is true for the speed of sound in a given medium?
A
Speed of sound remains same at all frequencies
B
Speed of sound is faster at higher frequencies
C
Speed of sound is slower at higher frequencies
D
Speed of sound is slower at higher wavelengths