(B) In a photoelectric experiment,the photoelectric current is directly proportional to the intensity of the incident radiation,provided the frequency

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(B) In a photoelectric experiment,the photoelectric current is directly proportional to the intensity of the incident radiation,provided the frequency is above the threshold frequency.- The work function depends only on the nature of the metal surface.- The stopping potential and the maximum kinetic energy of the emitted photoelectrons depend only on the frequency of the incident radiation and the work function of the metal,not on the intensity.Therefore,the correct option is $B$.

Class 12 Physics Dual Nature of Radiation and Matter Photoelectric Effect by Lenard and it's Observations

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Which of the following is dependent on the intensity of incident radiation in a photoelectric experiment?

AIIMS 1998 All AIIMS

A
Work function of the surface
B
Amount of photoelectric current
C
Stopping potential
D
Maximum kinetic energy of photoelectrons

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Class 12 Questions

Class 12

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Chapter

Dual Nature of Radiation and Matter

Subtopic

Photoelectric Effect by Lenard and it's Observations

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AIIMS 1998 Paper All AIIMS years →

The photoelectric threshold wavelength of a certain metal is $3000 \mathring{A}$. If the radiation of $2000 \mathring{A}$ is incident on the metal,then:

Easy

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$A$ photoelectric cell is illuminated by a point source of light $1 \ m$ away. When the source is shifted to $2 \ m$,then:

MediumMHT CET 2007

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The graph between the intensity of light $(I)$ falling on a metallic plate and the generated photoelectric current $(i)$ is:

Easy

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$A$ point source causes the photoelectric effect from a small metal plate. Which of the following curves may represent the saturation photocurrent $(I)$ as a function of the distance $(r)$ between the source and the metal?

Medium

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Assertion : Photoelectric saturation current increases with the increase in frequency of incident light.
Reason : Energy of incident photons increases with increase in frequency and as a result photoelectric current increases.

EasyAIIMS 2015

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Which of the following is dependent on the intensity of incident radiation in a photoelectric experiment?

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The photoelectric threshold wavelength of a certain metal is $3000 \mathring{A}$. If the radiation of $2000 \mathring{A}$ is incident on the metal,then:

$A$ photoelectric cell is illuminated by a point source of light $1 \ m$ away. When the source is shifted to $2 \ m$,then:

The graph between the intensity of light $(I)$ falling on a metallic plate and the generated photoelectric current $(i)$ is:

$A$ point source causes the photoelectric effect from a small metal plate. Which of the following curves may represent the saturation photocurrent $(I)$ as a function of the distance $(r)$ between the source and the metal?

Assertion : Photoelectric saturation current increases with the increase in frequency of incident light.Reason : Energy of incident photons increases with increase in frequency and as a result photoelectric current increases.

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Assertion : Photoelectric saturation current increases with the increase in frequency of incident light.
Reason : Energy of incident photons increases with increase in frequency and as a result photoelectric current increases.