Match the Column I with Column II

Options

A. A-p, B - q, C- r, D - s
B. A q, B - r, C - s, D - p
C. A - r, B - p, C-s, D - q
D. A - r, B s, C - p, D - q

Answer

C

Explanation

Change in apparent frequency due to relative motion between source and listener is Doppler effect.
A-r
Intensity of sound varies with time in case of beats.
B-p
Sound waves in air are longitudinal in nature.
C-s
Light waves are transverse in nature.
D-q.