Answer:
- Which of the following does not move as a transverse wave?
B. sound waves
because sound waves are longitudinal waves having compressions and rare factions.
Which of these effects describes the change in pitch we hear
moving motorbike goes past?
D. Doppler effect
Doppler effect is the phenomenon where there is apparent change in frequency (pitch) and wavelength of a wave due to relative motion of the sound source.
Which of the following does not make use of total internal reflection.
B. Endoscope
Endoscope doesn't use total internal reflection since no refraction takes place.
