Question

What is the frequency of microwave with a wavelength 4.33*10power-3m is?

Answer 1

Answer:

The frequency is  = 30 G H z

Explanation:

The speed of light is  c = 3 ⋅ 10 8 m s − 1  

The wavelength is  λ = 10 − 2 m  

THe frequency is     ν = c/ λ = 3 ⋅ 10^ 8 /10^ − 2 = 3 ⋅ 10^ 10 H z = 30 G H z

Answer 2

Explanation:

λ = c/f

Where, c = speed of light = 3 × 10⁸ m/s

f = frequency

λ = wavelength = 4.33× 10-³ m

Therefore,

$λ = \frac{c}{f}$

So, f = c / λ

$= \frac{3 \times {10}^{8} }{ 4.33 \times {10}^{ - 3} }$

= 0.692 × 10¹¹

= 6.92 × 10¹⁰ Hz.

So, the frequency of microwave with a wavelength 4.33× 10-³ is 6.92 × 10¹⁰ Hz.

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