Question

14)B) detailed explanation pls

Answer 1

Answer:

a )

u = c/v

c = uv (u = 1.5)

Frequency not change on Medium

Than

f = C/lemda of air

f = v/Lemda Of M

M/A = V/C

V/C = 1/1.5

Wavelength in medium is Lemda of air /1.5