A pulse is a wave:

What are the two types of mechanical waves?

1. Transverse and Longitudinal
2. Transverse and Electromagnetic
3. Electromagnetic and Longitudinal
4. None

Sound waves are:

1. Longitudinal
2. Transverse
3. Partly longitudinal, partly transverse
4. Sometimes longitudinal, sometimes transverse.

Transverse waves have ________.

1. Crest
2. Trough
3. Rarefaction
4. Both a and b

Choose the correct statements:
Assertion: Sine and cosine functions are periodic functions.
Reason: Sinusoidal functions repeat their values after a definite interval of time.

1. Assertion is correct, the reason is correct; the reason is a correct explanation for assertion
2. Assertion is correct, the reason is correct; the reason is not a correct explanation for assertion
3. Assertion is correct, the reason is incorrect
4. Assertion is incorrect, the reason is correct

A 20 g particle moves in SHM with a frequency of 3 oscillations per second and an amplitude of 5 cm. The total distance does the particle move during one oscillation is:

1. 10 cm
2. 15 cm
3. 20 cm
4. 25 cm

If a body is executing simple harmonic motion, then:

1. At extreme positions, the total energy is infinite
2. At extreme positions, the total energy is zero
3. At the equilibrium position, the total energy is in the form of kinetic energy
4. At the equilibrium position, the total energy is in the form of potential energy

Two simple pendulums of lengths 5 m and 20 m respectively are given small linear displacement in one direction at the same time. They will again be in the phase when the pendulum of shorter length has completed .... oscillations.

1. 3
2. 5
3. 2
4. 1

There are _______ complete oscillations are shown in the graph below.

1. 3
2. 2.5
3. 3.5
4. 4

Select the correct statement(s) from the following:
I. Motion of a satellite and a planet is periodic as well as SHM.
II. Mass suspended by a spring executes SHM.
III. Motion of a simple pendulum is always SHM.

1. I, II, and III
2. I only
3. II only
4. I and II

The periodic time of a body executing simple harmonic motion is 3 sec. After how many intervals from time t = 0, its displacement will be half of its amplitude:

1.  sec
2.  sec
3. sec
4. sec

Force acting in simple harmonic motion is always:

1. Directly proportional to the square of the displacement
2. Inversely proportional to the displacement
3. Inversely proportional to the square of the displacement
4. Directly proportional to the displacement

Choose the correct statement from the following:
Assertion: In oscillatory motion, displacement of a body from equilibrium can be represented by sine or cosine function.
Reason: The body oscillates to and from about its mean position.

1. Assertion is correct, the reason is correct; the reason is not a correct explanation for assertion
2. Assertion is incorrect, the reason is correct
3. Assertion is correct, the reason is correct; the reason is a correct explanation for assertion
4. Assertion is correct, reason is incorrect

The displacement time graph of a particle executing S.H.M. is as shown in the figure:

The corresponding force-time graph will be:

Assertion: All small oscillations are simple harmonic.
Reason: Oscillations of a simple pendulum system are always simple harmonic whether the amplitude is small or large.

1. If both the assertion and reason are true but the reason is not the correct explanation of assertion.
2. If the assertion is false but the reason is true.
3. If both the assertion and the reason are true and the reason is the correct explanation of the assertion.
4. If the assertion is true, but the reason is false.