1
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
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
2
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
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
3
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
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
4
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following telescopes contains only mirrors?
A
Galilean telescope
B
Keplerian telescope
C
Newtonian telescope
D
Schmidt telescope
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