Solve Study Textbooks Guides

Use app

Login

>>Class 12
>>Physics
>>Dual Nature of Radiation and Matter
>>Experimental Study of Photoelectric Effect
>> $In photoelectric effect, the slope of th$

Question

In photoelectric effect, the slope of the straight line graph between stopping potential and frequency of the incident light gives the ratio of Planck's constant to

A

Charge of electron

B

Work function

C

Photoelectric current

D

K.E. of electron

Medium

Open in App

Updated on : 2022-09-05

Solution

Verified by Toppr

Correct option is A)

$h v = h v_{0} + K . E$
at stopping potential K.E $=$ eV
$\Rightarrow h v = h v_{0} + e V$

$V = \frac{h}{e} (v - v_{0})$

The slope of graph b/w stopping potential and frequency is $\frac{h}{e}$ , where e is charge of electron.

Video Explanation

Solve any question of Dual Nature of Radiation And Matter with:-

Patterns of problems

Was this answer helpful?

0

0

Similar questions

From the graph shown, the value of Work function if the stopping potential, V, and frequency of the incident light 'v' are on y and x- axes respectively is

20664

A graph is drawn between frequency of the incident radiation (on X- axis) and stopping potential (on Y-axis). Then the slope of the straight line indicates

In Millikan’s experiment, the slope of $v$ versus $V_{o}$ graph was found to be $4.125 \times 1 0^{- 15} V s$ . Given $e = 1.6 \times 1 0^{- 19} C$ , the value of Planck’s constant is

According to Einstein's photoelectric equation, the plot of the kinetic energy of the emitted photoelectrons from a metal Vs the frequency, of the incident radiation gives a straight line whose slope:

When a monochromatic light of frequency $v$ is incident on a metal, stopping potential is $V_{0}$ . Frequency of the incident light for which stopping potential becomes double is :

More From Chapter

Dual Nature of Radiation and Matter

View chapter >

Revise with Concepts

Observations on Photo Electric Effect

ExampleDefinitionsFormulaes

Experimental Study of Photoelectric Effect

ExampleDefinitionsFormulaes

Learn with Videos

Photoelectric Effect - I

Photoelectric Effect - II

Factors Affecting Rate of Thermionic Emission

Experimental Analysis of Photoelectric Effect - I

Experimental Analysis of Photoelectric Effect - II

Shortcuts & Tips

Problem solving tips

Important Diagrams

Common Misconceptions

Memorization tricks

Practice more questions

Medium Questions