Physics GK 15 - Mechanical & Electromagnetic Waves

1.

What do we call the wave if the constituents of the medium oscillate perpendicular to the direction of wave propagation?

Transverse wave

Longitudinal wave

Electromagnetic wave

Matter wave

2.

Which of the following is correct about transverse mechanical waves?

they can travel through solids and gases

they can travel through solids but not liquids

they can travel through solids and liquids

they can travel through gases but not solids

3.

What kinds of waves are the ultrasonic waves in air produced by a vibrating quartz crystal?

Transverse

Longitudinal

Transverse and longitudinal

None of the above

4.

What is wavelength of a wave?

square of the distance between two points having the same phase

maximum distance between two points having the same phase

minimum distance between two points having the same phase

None of the above

5.

What is the S.I unit of the propagation constant?

radian metre

radian per metre

radian per second

radian per centimetre