Match the column I with Column II (i) Reflections of sound (ii) Echo (iii) Megaphone (iv) Relative motion between source and listner

Question

Match the column I with column II

Column I		Column II
(i)	Reflections of sound	(A)	reflections of sound
(ii)	Echo	(B)	reflections of light
(iii)	Megaphone	(C)	Doppler effect
(iv)	Relative motion between source and listener	(D)	Ear trumpet
		(E)	Whispering galary
		(F)	Ultrasonography

Answer 1

(i) – (E) 

(ii) – (F) 

(iii) – (A) 

(iv) – (C)