Solve
Study
Textbooks
Guides
Use app
Login
>>
Class 12
>>
Physics
>>
Dual Nature of Radiation and Matter
>>
Wave Nature of Matter
>>
With the decrease in the wave length of
Question
With the decrease in the wave length of the incident radiation the velocity of the photoelectrons emitted from a given metal
A
Remains same
B
Increases
C
Decreases
D
Increases first and then decreases
Medium
Open in App
Updated on : 2022-09-05
Solution
Verified by Toppr
Correct option is B)
As wavelength decrease , frequency increases and hence K.E of photoelectrons increases , thereby increasing the velocity.
Solve any question of
Dual Nature of Radiation And Matter
with:-
Patterns of problems
>
Was this answer helpful?
0
0
Similar questions
The work function of a metal is 1eV. On making light of wavelength
3
0
0
0
A
˚
incident on this metal, the velocity of photoelectrons emitted from it for photoelectric emission will be
Hard
View solution
>
The photo-electric threshold wave length of a certain metal is 3000
A
o
. If radiation of 2000
A
o
is incident on the metal
Medium
View solution
>
In a photo electric experiment, the maximum velocity of photoelectrons emitted
Medium
View solution
>
The K.E of the photoelectons is E when the incident wave length is
2
λ
. The K.E becomes 2E when the incident wave length is
3
λ
. The work function of the metal is
Medium
View solution
>
The threshold frequency for certain metal is
v
0
. The light of frequency
2
v
0
is incident on it, the maximum velocity of photoelectrons is
4
×
1
0
6
m
s
−
1
. If the frequency of incident radiation is increased to
5
v
0
, the maximum velocity of photoelectrons will be (in m/s):
Hard
View solution
>
More From Chapter
Dual Nature of Radiation and Matter
View chapter
>
Revise with Concepts
Wave Nature of Matter
Example
Definitions
Formulaes
>
Wave Nature of Matter - Problem L1
Example
Definitions
Formulaes
>
Learn with Videos
de Broglie Wavelength
6 mins
Heisenberg Uncertainity Principle
7 mins
Quantum Mechanics.
6 mins
Practice more questions
Easy Questions
81 Qs
>
Medium Questions
598 Qs
>
Hard Questions
317 Qs
>
Shortcuts & Tips
Common Misconceptions
>
Problem solving tips
>
Memorization tricks
>
Cheatsheets
>
Mindmap
>
Important Diagrams
>