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When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is increased to 5 v0, the maximum velocity of electrons emitted from the same plate is v2. The ratio of v1 to v2 is :-
- a)1 : 2
- b)1 : 4
- c)4 : 1
- d)2 : 1
Correct answer is option 'A'. Can you explain this answer?
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To understand the given question, we need to have a basic understanding of the photoelectric effect. The photoelectric effect is the emission of electrons from a material when light of certain frequencies, known as the threshold frequency, is incident on it. The maximum velocity of the emitted electrons depends on the frequency of the incident light.
Given:
Frequency of incident light = 2v0
Maximum velocity of emitted electrons = v1
When the frequency of the incident radiation is increased to 5v0:
Frequency of incident light = 5v0
Maximum velocity of emitted electrons = v2
To find the ratio of v1 to v2, we need to compare the effects of the two frequencies on the emission of electrons.
- Threshold Frequency (v0) and Emission of Electrons from the Metal Plate:
The threshold frequency (v0) is the minimum frequency of light required to emit electrons from the metal plate. When the frequency of incident light is 2v0, electrons are emitted from the plate with a maximum velocity of v1. This means that the energy of the incident photons is sufficient to overcome the work function of the metal and release the electrons.
- Increased Frequency (5v0) and Emission of Electrons from the Same Plate:
When the frequency of the incident light is increased to 5v0, the energy of the incident photons also increases. This higher energy is able to release electrons from the plate with a higher maximum velocity, v2. This is because the increased energy of the photons provides more kinetic energy to the emitted electrons.
- Ratio of v1 to v2:
Since the threshold frequency remains the same, the work function of the metal plate does not change. As a result, the only factor affecting the maximum velocity of the emitted electrons is the energy of the incident photons. When the frequency is increased from 2v0 to 5v0, the energy of the photons also increases. This leads to an increase in the maximum velocity of the emitted electrons.
Therefore, the ratio of v1 to v2 is 1:2, which means that the maximum velocity of the emitted electrons is doubled when the frequency of the incident light is increased from 2v0 to 5v0.
Hence, the correct answer is option A) 1:2.
Given:
Frequency of incident light = 2v0
Maximum velocity of emitted electrons = v1
When the frequency of the incident radiation is increased to 5v0:
Frequency of incident light = 5v0
Maximum velocity of emitted electrons = v2
To find the ratio of v1 to v2, we need to compare the effects of the two frequencies on the emission of electrons.
- Threshold Frequency (v0) and Emission of Electrons from the Metal Plate:
The threshold frequency (v0) is the minimum frequency of light required to emit electrons from the metal plate. When the frequency of incident light is 2v0, electrons are emitted from the plate with a maximum velocity of v1. This means that the energy of the incident photons is sufficient to overcome the work function of the metal and release the electrons.
- Increased Frequency (5v0) and Emission of Electrons from the Same Plate:
When the frequency of the incident light is increased to 5v0, the energy of the incident photons also increases. This higher energy is able to release electrons from the plate with a higher maximum velocity, v2. This is because the increased energy of the photons provides more kinetic energy to the emitted electrons.
- Ratio of v1 to v2:
Since the threshold frequency remains the same, the work function of the metal plate does not change. As a result, the only factor affecting the maximum velocity of the emitted electrons is the energy of the incident photons. When the frequency is increased from 2v0 to 5v0, the energy of the photons also increases. This leads to an increase in the maximum velocity of the emitted electrons.
Therefore, the ratio of v1 to v2 is 1:2, which means that the maximum velocity of the emitted electrons is doubled when the frequency of the incident light is increased from 2v0 to 5v0.
Hence, the correct answer is option A) 1:2.
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When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is increased to 5 v0, the maximum velocity of electrons emitted from the same plate is v2. The ratio of v1 to v2 is :-a)1 : 2b)1 : 4c)4 : 1d)2 : 1Correct answer is option 'A'. Can you explain this answer?
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When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is increased to 5 v0, the maximum velocity of electrons emitted from the same plate is v2. The ratio of v1 to v2 is :-a)1 : 2b)1 : 4c)4 : 1d)2 : 1Correct answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is increased to 5 v0, the maximum velocity of electrons emitted from the same plate is v2. The ratio of v1 to v2 is :-a)1 : 2b)1 : 4c)4 : 1d)2 : 1Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is increased to 5 v0, the maximum velocity of electrons emitted from the same plate is v2. The ratio of v1 to v2 is :-a)1 : 2b)1 : 4c)4 : 1d)2 : 1Correct answer is option 'A'. Can you explain this answer?.
When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is increased to 5 v0, the maximum velocity of electrons emitted from the same plate is v2. The ratio of v1 to v2 is :-a)1 : 2b)1 : 4c)4 : 1d)2 : 1Correct answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is increased to 5 v0, the maximum velocity of electrons emitted from the same plate is v2. The ratio of v1 to v2 is :-a)1 : 2b)1 : 4c)4 : 1d)2 : 1Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is increased to 5 v0, the maximum velocity of electrons emitted from the same plate is v2. The ratio of v1 to v2 is :-a)1 : 2b)1 : 4c)4 : 1d)2 : 1Correct answer is option 'A'. Can you explain this answer?.
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