1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A particle executes linear simple harmonic motion with amplitude of 2 cm. When the particle is at 1 cm from the mean position, the magnitudes of the velocity and the acceleration are equal. Then, its time period is
A
$${{2\pi } \over {\sqrt 3 }}s$$
B
$${{\sqrt 3 } \over {2\pi }}s$$
C
$${{\sqrt 3 } \over {2\pi }}s$$
D
$${1 \over {2\pi \sqrt 3 }}s$$
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
When a ray of light enters a glass slab, then
A
only the frequency change
B
frequency and velocity change
C
frequency does not change
D
frequency and wavelength change
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A ball is thrown vertically upward from the ground with a speed of 25.2 m/s. The ball will reach the highest point of its journey in
A
5.14 s
B
3.57 s
C
2.57 s
D
1.29 s
4
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
When sound waves are propagated through a medium, the physical quantity/quantities transmitted is/are
A
matter only
B
energy only
C
energy and matter only
D
energy, momentum and matter
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