Which one of the following does not consist of transverse waves?

A. light emitted by a CFL

B. TV signals from a satellite

C. ripples on the surface of a pond

D. nusical notes of an orchestra

If the speed of a wave is 340 m/s and its frequency is 1700 Hz, then l for this wave in cm will be:

A. 2 B. 0.2

C. 20 D. 200

A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through:

A. water B. wax

C. vacuum D. empty vessel

Sound travels in air :

A. if particles of medium travel from one place to another

B. if there is no moisture in the atmosphere

C. if disturbance moves

D. if both, particles as well as disturbance move from one place to another

In the sound wave produced by a vibrating turning fork shown in the diagram, half the wavelength is represented by: (picture)

A. AB B. BD

C. DE D. AE