Dual Nature of Radiation and Matter
1 Questions
MSQ (Multiple Correct)
2017
NEET
MSQ
NEET 2017
The photoelectric threshold wavelength of silver is 3250 $ \times $ 10$-$10 m. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 $ \times $ 10$-$10 m is
{Given h = 4.14 $ \times $ 10$-$15 eV s and c = 3 $ \times $ 108 m s$-$1 ]
{Given h = 4.14 $ \times $ 10$-$15 eV s and c = 3 $ \times $ 108 m s$-$1 ]
A.
$ \approx $ 0.6 $ \times $ 106 m s$-$1
B.
$ \approx $ 61 $ \times $ 103 m s$-$1
C.
$ \approx $ 0.3 $ \times $ 106 m s$-$1
D.
$ \approx $ 6 $ \times $ 105 m s$-$1