1
NEET 2017
MCQ (More than One Correct Answer)
+4
-1
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 ]
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
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12