Wave and Particle Motion of Waves

Q.

Is light a transverse wave or an electromagnetic wave?

Q.

How do you define wave-motion?

Q. The higher the amplitude of sound,

1. the more compressed is the air at compressions.
2. the less compressed is the air at compressions.
3. the lesser the density of air at compressions.
4. the denser the air at rarefactions.

Q.

The distance between a compression and its next rarefaction is of a longitudinal wave is:
($\lambda$ denotes wavelength)

1. λ/2

2. λ/8

3. 2λ

4. λ/4

Q.

Vibration can be defined as the

1. stretching of a membrane

2. roughness of a membrane

3. circular motion of a membrane

4. to and fro motion of a membrane

Q.

The wavelength of a sound wave is denoted by

1. λ

2. μ

3. θ

Q.

Earthquake shocks/waves come under _____.

1. longitudinal waves

2. both transverse and longitudinal waves

3. zig-zag waves

4. transverse waves

Q.

What are water waves?

1. Surface waves in which particles perform perpendicular vibrations around their mean position.

2. Surface waves in which particles perform perpendicular and parallel vibrations around their mean position.

3. Surface waves in which particles perform parallel vibrations around their mean position.

4. Waves at a depth in which particles perform perpendicular vibrations around their mean position.

Q.

One complete to and fro motion of the metal strip forms one compression.

1. True

2. False

Q.

Propagation of sound can be visualized as:

1. The propagation of density variations.

2. All of these.

3. The propagation of pressure variations.

4. A series of compressions and rarefactions.

Q. Propagation of sound can be visualized as:

1. Propagation of density variations
2. Propagation of pressure variations
3. Series of compressions and rarefactions
4. All of the above.

Q.

A sound wave travels from east to west . In which direction do the particles of air vibrates?

Q.

Which earthquake waves are the fastest?

Q. What is seismic waves

Q. Sound is a mechanical wave.

1. False
2. True

Q.

What kind of waves are created when you dip your finger inside the surface of water. Suggest a test to prove its type.

Q. Sound is a_______.

1. Longitudinal wave
2. Mechanical wave
3. Transverse wave
4. Both A and B

Q. How does the sound produced by a vibrating object in a medium reach your ear?

1. Through the vibration of particles
2. Through electron transfer
3. Sound waves don't need a medium
4. Not enough data

Q.

The back and forth vibration of a metal strip in air _____.

1. create compressions and rarefactions

2. create alternate low and high pressure regions

3. creates only high pressure region

4. create crests and troughs

Q. Seismic waves that vibrate perpendicular to the direction of their path.

1. Spread on the surface of the earth
2. Travel through the solid as well as other parts of the earth
3. None of the above
4. Travel through the solid parts of the earth only

Q. If two objects are interacting, it means they must be touching each other.

1. True
2. False

Q.

The disturbance created by a source producing sound in a medium travels through:

1. the particles of the medium
2. depends on the medium
3. both A and B
4. the medium