Haryana Gram Sachiv 9 Jan 2021 Shift 2 Paper
© examsiri.com
Question : 56 of 90
Marks:
+1,
-0
What is the de Broglie wavelength of an election, whose kinetic energy is 120 eV ?
(Given: m = 9.11 x 10-31 kg, h = 6.63 x 10-34 Js, 1eV = 1.6 x 10-19 J)
(Given: m = 9.11 x 10-31 kg, h = 6.63 x 10-34 Js, 1eV = 1.6 x 10-19 J)
Go to Question: