English

What Change Will You Observe If Intensity of Incident Radiation is Changed but the Frequency Remains the Same?

Advertisements
Advertisements

Question

What change will you observe if intensity of incident radiation is changed but the frequency remains the same?

Advertisements

Solution

 If intensity of incident radiation is changed but the frequency remains the same, the plot will be

If the intensity of incident radiation is changed but the frequency remains the same in this case the stopping potential remains unchanged.

shaalaa.com
  Is there an error in this question or solution?
2016-2017 (March) Foreign Set 3

RELATED QUESTIONS

Write three characteristic features in photoelectric effect that cannot be explained on the basis of wave theory of light, but can be explained only using Einstein's equation.


The graph shows the variation of stopping potential with frequency of incident radiation for two photosensitive metals A and B. Which one of the two has higher value of work-function? Justify your answer.


The work functions for potassium and caesium are 2.25 eV and 2.14 eV respectively. Is the photoelectric effect possible for either of them if the incident wavelength is 5180 Å?

[Given : Planck’s constant = 6.63 x 10–34 J.s.;
Velocity of light = 3 x 108 m/s; 1 eV = 1.6 x 10–19 J]


A beam of monochromatic radiation is incident on a photosensitive surface. Answer the following question giving reason :

Does the kinetic energy of the emitted electrons depend on the intensity of incident radiation?


What is photoelectri effect ? Defin (i) Stopping potential (ii) Photoelectric work function. 


With reference to the photoelectric effect, what is meant by threshold wavelength?


If the frequency of the incident radiation is increased from 4 × 1015 Hz to 8 × 1015 Hz, by how much will the stopping potential for a given photosensitive surface go up?


What happened to high-voltage sparks across the detector loop when the emitter plate was illuminated with ultraviolet light from an arc lamp?


What facilitated the escape of free, charged particles from the metal surface?


What are the free, charged particles that escape from the metal surface?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×