Answer:
f = 3×10¹¹ Hz
Explanation:
Relation ship between frequency and wavelength
"The wave speed (v) is defined as the distance traveled by a wave per unit time. If considered that the wave travels a distance of one wavelength in one period,
ν=λ/T
As we know that T = 1/f, hence we can express the above equation as,
V = f λ
The wave speed is equal to the product of its frequency and wavelength, and this implies the relationship between frequency and wavelength."
The relation between frequency and wavelength is
λ×f = c
c = speed of light = 3×10⁸ m/s
λ = 1.00 mm = 10⁻³ m
f=c/λ
f=(3×10⁸ m/s)/ 10⁻³ m
f = 3×10¹¹ Hz
