For a photoelectric experiment graph bet...

For a photoelectric experiment graph between kinetic energy of fastest electron and frequency of light is plotted find threshold wavelength of metal.

`4133 Å`

`5313Å`

`5424Å`

`5123Å`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

TEST PAPER 3
ALLEN|Exercise PHYSICS|45 Videos
TEST PAPERS
ALLEN|Exercise MATHS|18 Videos

Similar Questions

Explore conceptually related problems

According to Einstein's photoelectric equation, the graph between kinetic energy of photoelectrons ejected and the frequency of the incident radiation is :

A graph regarding photoelectric effect is shown between the maximum kinetic energy of electrons and the frequency of the incident light. On the basis of data as shown in the graph, calculate (a) threshold frequency , (b) work- function, (c ) planck constant

According to Einstein's photoelectric equation , the graph between the kinetic energy of photoelectrons ejected and the frequency of incident radiation is

Photoelectron emission is observed for three different metals A,B and C. the kinetic energy of the fastest photoelectrons versus frequency 'v' is plotted for each metal. Which of the following graphs can be observed?

In a photoelectric experiment, kinetic energy of photoelectrons was plotted against the frequency of incident radition (v) , as show in figure. Which of the following statements is correct ?

In a photoelectric experiment, with light of wavelength lamda , the fastest electron has speed v. If the exciting wavelength is changed to 5lamda/4 , the speed of the fastest emitted electron will become

Assertion : The threshold frequency of photoelectric effect supports the particle nature of sunlight . Reason : If frequency of incident light is less than the threshold frequency , electrons are not emitted from metal surface.

In the study of a photoelectric effect the graph between the stopping potential V and frequency v of the incident radiation on two different metals P and Q is shown in fig. (i) which one of two metals have higher threshold frequency (ii) Determine the work function of the metal which has greater value (iii) Find the maximum kinetic energy of electron emitted by light of frequency 8xx10^(14) Hz for this metal.

ALLEN-TEST PAPER 4-PHYSICS

When a monochromatic point source of light is at a distance of 0.2 m...
Text Solution
|
Light of wavelength 200 nm incident on a metal surface of threshold wa...
Text Solution
|
For a photoelectric experiment graph between kinetic energy of fastest...
Text Solution
|
The componant of vector 2 hati -3 hatj +2hatk perpendicular to the ve...
Text Solution
|
If y=5 (sin 100^(@)cos 27^(@) +cos 100^(@)sin 27^(@)) the value of y i...
Text Solution
|
Given that =(10)/(sin x+ sqrt3 cos x) the minimum positive value of uy...
Text Solution
|
Differentiation of cos (sqrt(x)) with respect to x is
Text Solution
|
Given a function y=x^(2)-2sqrt(x). What is rate of change in y with re...
Text Solution
|
If y=(x^(2))/((x+1))"then"(dy)/(dx)"is":-
Text Solution
|
If y=log (e) x+sin x+e^(x) then (dy)/(dx) is:
Text Solution
|
If y=x^(3)cosx" then "(dy)/(dx)=……………………
Text Solution
|
If the velocity of a paraticle moving along x-axis is given as v=(4t^(...
Text Solution
|
The value of int(0)^(2) 3x^(2)dx+int(0)^(pi//2) sin x dx is :-
Text Solution
|
The value of integral underset(2)overset(4)int(dx)/(x) is :-
Text Solution
|
Area bounded by curve y=sinx, whit x-axis, when x varies from 0 to (pi...
Text Solution
|
If velocity of a particle is given by v= (2t+3) m//s then average velo...
Text Solution
|
Angle of elevation of top of building is 30^(@) from place A and beco...
Text Solution
|
If Electric-current 'i' time (t) graph shown in figure. The average cu...
Text Solution
|
A man travels one-third part of his total distance with speed v(1) and...
Text Solution
|
The position 'x' of a particle moving along x-axis at any instant t re...
Text Solution
|