Question
Physics Question on Radioactivity
When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1 . When the frequency of the incident radiation is increased to 5v0 , the maximum velocity of electrons emitted from the same plate is v2 . The ratio of v1 to v2 is
A
1:2
B
4:1
C
1:4
D
2:1
Answer
1:2
Explanation
Solution
The correct option is (A): 1:2