1
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
2
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
3
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following telescopes contains only mirrors?
A
Galilean telescope
B
Keplerian telescope
C
Newtonian telescope
D
Schmidt telescope
4
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following statements about earthquake waves is not correct?
A
P waves move faster and are the first to arrive at the surface.
B
P waves can travel through gaseous, liquid and solid materials.
C
Seismographs located beyond 145° from epicentre can record the arrival of P waves.
D
P waves have maximum area covered under its shadow zone.