Question

Calculate the mass of photon with wavelength 3.6 angstrom

Answer 1

GIVEN;lamda = 3.6 angstrom = 3.6 x 10^-10 m.

velocity of photon = velocity of light.

m = h/lamda*v ( from de-brogile's equation)

m = 6.626 x 10^-34/3.6 x10^-10 x 3 x 10^8

m = 6.626 x 10^-32/10.8

m = 0.6135 x 10^-32

m = 6.135 x 10^-33 kg.

Answer 2

Answer:

6.135 x 10^-33 kg is the answer.

Explanation:

lamda = 3.6 angstrom = 3.6 x 10^-10 m.

velocity of photon = velocity of light.

m = h/lamda*v ( from de-brogile's equation)

m = 6.626 x 10^-34/3.6 x10^-10 x 3 x 10^8

m = 6.626 x 10^-32/10.8

m = 0.6135 x 10^-32

m = 6.135 x 10^-33 kg.

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