5 If a light with frequency 4 x 101...
Question
Fullscreen

5 If a light with frequency 4 x 1016 Hz emitted photoelectrons with double the kinetic energy as are emitted by the light of frequency 2.5 x 1016 Hz from the same metal surface, then what is the threshold frequency (no) of the metal ?

JEE/Engineering Exams
Chemistry
Solution
137
Rating
1.0 (1 ratings)
Fullscreen
( hleft(4 x 10^{6}right)=h v_{0}+2 k E ) ( hleft(2 cdot 5 times 10^{6}right)=h v_{0}+k E ) ( 2 x[i i)-(i) ) ( Aleft(1 times 10^{6}right)=100 ) ( therefore ) Htushold freq ( =10^{6} mathrm{hz} )
Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free