Longitudinal Waves

Q.

In transverse waves, the particles move in ___.

1. the direction perpendicular to the direction of wave

2. the direction parallel to the direction of wave

3. the direction diagonal to the direction of wave

4. a direction that cannot be predicted

Q.

An ocean wave is an example of a longitudinal wave.

1. Light

2. Sound

Q.

Which of these is an example of longitudinal wave?

1. Sound

2. Light

3. Both of these

4. None of these

Q.

Particles in a longitudinal wave move perpendicular to the direction of the wave propagation.

1. True

2. False

Q. Is sound wave travelling through air longitudinal or transverse in nature? $\left[3\text{marks}\right]$

Q. In a longitudinal wave, the particles move in _____ to the direction of the wave.

1. parallel manner
2. perpendicular manner
3. random manner
4. parabolic manner

Q.

Which of the following is/are transverse wave(s)?

1. Ultrasonic wave in air

2. Infrasonic wave in air

3. Infrared waves in air

4. Radio waves in vacuum

Q. In a gaseous medium, a sound wave is ___.

1. (a) and (b) above.
2. longitudinal
3. transverse
4. non-mechanical

Q. Which of the following are not examples of longitudinal wave?

1. Sound of flute
2. Microwave
3. Infrared
4. Ultrasound
5. Sound of guitar
6. Radio wave
7. Light wave
8. Magnetic waves

Q. Rarefaction is the region of density of molecules.

1. low
2. high
3. mean