1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A particle is executing simple harmonic motion. Which one of the following statements about the acceleration of the oscillating particle is true?
A
It is always in the opposite direction to velocity.
B
It is proportional to the frequency of oscillation.
C
It is minimum when the speed is maximum.
D
It decreases as the potential energy increases.
2
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
3
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
4
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.
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