Question

# Calculate the frequency and the energy of the following: A microwave at 2.6mm

Calculate the frequency and the energy of the following:
A microwave at 2.6mm

#### Homework Answers

Answer #1

given

wavelength of microwave = 2.6 mm.

now, we know that

c (speed of light) =frequency (v) * wavelength (λ)

c = 3 * 108 m/s

therefore, frequency = 3*108 m/s * 2.6 * 10-3 m

frequency = 7.8 * 105 sec-1

--------------------------------------------

for energy,

we know that.

E = hc / λ = hv

h (planck constant) = 6.626176 x 10-34 joule-seconds.

therefore,

E = 6.626176 x 10-34 joule-sec * 7.8 * 105 sec-1

E = 5.168 x 10-28 joule.

he, if you find any doubt please ask and please give a thumbs up. thanks

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