16. If the velocity of hydrogen molecule is 5 x 10^4cm sec-¹, then its de Broglie wavelength is (1)2 A (2) 4 A (3)8 A (4) 100 A

Aun asked Jun 17, 2023

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9 votes

16. If the velocity of hydrogen molecule is 5 x 10^4cm sec-¹, then its de Broglie wavelength is

(1)2 A
(2) 4 A
(3)8 A
(4) 100 A

Aun asked Jun 17, 2023

by Aun

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27 votes

Answer:

Correct option is B)

According to de-Broglie,

λ=mvh=6.023×10232×5×104cm/sec6.62×10−27ergsec=4×10−8cm=4Ao

Nate Allen answered Jun 21, 2023

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