The formula f equals c over lambda, where f = frequency, c = wave speed, and λ = wavelength, is used to calculate frequency. solve this formula for c.

a. c = f − λ
b. c = fλ
c. c = f + λ
d. c equals f over lambda

Step-by-step explanation:

if f = c/lambda

then c = f × lambda

B. c = fλ

Step-by-step explanation:

Given formula,

f equals c over lambda,

Where, f = frequency,

c = wave speed,

λ = wavelength,

By the above formula,

  ( By cross multiplication ),

Hence, the required formula for c,

Option 'B' is correct.