1
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following terms cannot represent electrical power in a circuit?
A
VI
B
I2 / R
C
I2R
D
V2 / R
2
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The refractive index of crown glass is close to 3/2. If the speed of light in air is c, then the speed of light in the crown glass will be close to
A
(3 / 2)c
B
(4 / 9)c
C
(2 / 3)c
D
(9 / 4)c
3
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The volume of a sealed packet is 1 liter and its mass is 800 g. The packet is first put inside the water with a density of 1 g cm-3 and then in another liquid B with a density of 1.5 g cm-3. Then which one of the following statements holds true?
A
The packet will float in both water and liquid B.
B
The packet will sink in both water and liquid B.
C
The packet will sink in water but will float in liquid B.
D
The packet will float in water and sink in liquid B.
4
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A simple pendulum having bob of mass m and length of string l has time period of T. If the mass of the bob is doubled and the length of the string is halved, then the time period of this pendulum will be
A
T
B
T / $\sqrt2$
C
2T
D
$\sqrt2$T
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