Question

plzzz solve frnds............

Answer 1

☆☆ AS-SALAMU-ALYKUM ☆☆

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WAVELENGTH =25 ×10^_6 m

FORMULA FOR ENERGY OF PHOTON IS :-

E =hf

f=c÷lamda

E= h c÷lamda

h is plancks constant = 6.62×10^_34 js

c is speed of light = 3×10^8 m/s

E= 6.62×10^_34 × 3×10^8 ÷ 25 ×10^_6 (wavelength=25×10^_6m)

E= 0.79 ×10^_34+8_6

E=0.79 × 10^34_2

E= 0.79 × 10^32 J

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♡♤♡INSHALLAH IT WILL HELP U ♡♤♡

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HAVE A NICE DAY☺☺☺☺