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What is the Energy of a wave whose frequency is 8.45 x 10^14 Hz?


What is the wavelength of a wave whose frequency is 8.25 x 10^14 mHz? (1mHz is 10-3 Hz)


What is the frequency of a wave whose wavelength is 4.10 x 10^-7 nm? (1nm is 10-9 m)


What is the wavelength of a wave whose energy is 5.50 x 10^-7 mJ (1 mm = 10^-3 m)

Respuesta :

kuttysimba

Answer:

E = hf

E = hc/lamda

where E-energy,

h-planck's constant (6.62 x 10^-34 Js)

f- frequency ( f = c/lamda)

c-velocity of light ( 3 x 10^8 m/s)

lamda- wavelength

you can this formula to solve all the 4 questions.

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