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1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following four particles, whose displacement x and acceleration ax are related as follows, is executing simple harmonic motion?
A
ax = + 3x
B
ax = + 3x2
C
ax = $$-$$ 3x2
D
ax = $$-$$ 3x
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If we plot a graph between volume V and inverse of pressure p (i.e. $${1 \over p}$$) for an ideal gas at constant temperature T, the curve so obtained is
A
straight line
B
circle
C
parabola
D
hyperbola
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements is correct?
A
The speed of sound waves in a medium depends upon the elastic property of the medium, but not on an inertia property.
B
The sped of sound waves in a medium depends upon the inertia property of the medium, but not on an elastic property.
C
The speed of sound waves in a medium depends neither on its elastic property nor on its inertia property.
D
The speed of sound waves in a medium depends on both elastic and inertia properties of the medium.
4
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements is not correct?
A
Pitch of a sound is its characteristic by which we can generally differentiate between a mal voice and a female voice.
B
The loudness of sound is related to its frequency.
C
A musical sound has certain well defined frequencies, which are generally harmonics of a fundamental frequency.
D
The timbre of a particular musical sound is related to the waveform of the sound wave.
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