Question

55. Calculate de-Broglie wavelength of an electron
(in m) travelling at 1% of the speed of light.
(1) 2.73 x 10-24
(2) 2.42 x 10-10
(3) 242.2 x 1010
(4) None of these​

Answer 1

Answer:

Which std question is this

Answer 2

Answer:

Correct option is b 2.42×10^-10