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A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.
- a)Some of the incident wavelengths will be absent in A
- b)Only those wavelengths will be present in B which are absent in A
- c)B will contain some visible light.
- d)B will contain some infrared light.
Correct answer is option 'A,C,D'. Can you explain this answer?
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Verified Answer
A beam of ultraviolet light of all wavelengths passes through hydrogen...
Given, incident wavelengths travel in x-direction which are in the U.V region, which means they can excite an electron from n=1 to higher levels. Hence, some of the incident wavelengths will be absent in A.
Photons emerging due to transitions of electrons to their ground state contains visible region wavelengths if transition is done into n=2. If transition is done into n>2, photons contain I.R wavelengths.
Therefore, A,C,D is the correct choice.
Photons emerging due to transitions of electrons to their ground state contains visible region wavelengths if transition is done into n=2. If transition is done into n>2, photons contain I.R wavelengths.
Therefore, A,C,D is the correct choice.
Most Upvoted Answer
A beam of ultraviolet light of all wavelengths passes through hydrogen...
Explanation:
a) Some of the incident wavelengths will be absent in A:
When ultraviolet light passes through hydrogen gas at room temperature, some of the incident wavelengths will be absorbed by the gas. This is because hydrogen gas has certain energy levels associated with its electrons. When a photon with a specific energy (wavelength) matches the energy difference between two levels, it can be absorbed by the gas, causing an electron to move to a higher energy level. Therefore, certain wavelengths of the incident light will be absorbed, and these wavelengths will be absent in the light that emerges in the x-direction (A).
b) Only those wavelengths will be present in B which are absent in A:
Since some of the incident wavelengths are absorbed by the hydrogen gas, only those wavelengths that were not absorbed will be present in the light that emerges in the y-direction (B). This is because the absorbed photons have transferred their energy to the gas atoms, causing electron transitions. The emitted light resulting from these transitions will have different wavelengths than the incident light and will be absent in A.
c) B will contain some visible light:
Hydrogen gas can emit light at specific wavelengths when electrons transition between energy levels. These emitted wavelengths correspond to specific colors in the visible light spectrum. Therefore, it is possible for some of the emitted light in the y-direction (B) to fall within the visible light range, making B contain some visible light.
d) B will contain some infrared light:
Similarly, hydrogen gas can also emit light at longer wavelengths in the infrared region when electrons transition between energy levels. Therefore, it is possible for some of the emitted light in the y-direction (B) to fall within the infrared light range, making B contain some infrared light.
In conclusion, when a beam of ultraviolet light passes through hydrogen gas at room temperature, some incident wavelengths will be absorbed (absent in A), and only the remaining wavelengths will be present in the light that emerges in the y-direction (B). This emitted light can include both visible and infrared wavelengths, leading to options A, C, and D being correct.
a) Some of the incident wavelengths will be absent in A:
When ultraviolet light passes through hydrogen gas at room temperature, some of the incident wavelengths will be absorbed by the gas. This is because hydrogen gas has certain energy levels associated with its electrons. When a photon with a specific energy (wavelength) matches the energy difference between two levels, it can be absorbed by the gas, causing an electron to move to a higher energy level. Therefore, certain wavelengths of the incident light will be absorbed, and these wavelengths will be absent in the light that emerges in the x-direction (A).
b) Only those wavelengths will be present in B which are absent in A:
Since some of the incident wavelengths are absorbed by the hydrogen gas, only those wavelengths that were not absorbed will be present in the light that emerges in the y-direction (B). This is because the absorbed photons have transferred their energy to the gas atoms, causing electron transitions. The emitted light resulting from these transitions will have different wavelengths than the incident light and will be absent in A.
c) B will contain some visible light:
Hydrogen gas can emit light at specific wavelengths when electrons transition between energy levels. These emitted wavelengths correspond to specific colors in the visible light spectrum. Therefore, it is possible for some of the emitted light in the y-direction (B) to fall within the visible light range, making B contain some visible light.
d) B will contain some infrared light:
Similarly, hydrogen gas can also emit light at longer wavelengths in the infrared region when electrons transition between energy levels. Therefore, it is possible for some of the emitted light in the y-direction (B) to fall within the infrared light range, making B contain some infrared light.
In conclusion, when a beam of ultraviolet light passes through hydrogen gas at room temperature, some incident wavelengths will be absorbed (absent in A), and only the remaining wavelengths will be present in the light that emerges in the y-direction (B). This emitted light can include both visible and infrared wavelengths, leading to options A, C, and D being correct.
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A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.a)Some of the incident wavelengths will be absent in Ab)Only those wavelengths will be present in B which are absent in Ac)B will contain some visible light.d)B will contain some infrared light.Correct answer is option 'A,C,D'. Can you explain this answer?
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A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.a)Some of the incident wavelengths will be absent in Ab)Only those wavelengths will be present in B which are absent in Ac)B will contain some visible light.d)B will contain some infrared light.Correct answer is option 'A,C,D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.a)Some of the incident wavelengths will be absent in Ab)Only those wavelengths will be present in B which are absent in Ac)B will contain some visible light.d)B will contain some infrared light.Correct answer is option 'A,C,D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.a)Some of the incident wavelengths will be absent in Ab)Only those wavelengths will be present in B which are absent in Ac)B will contain some visible light.d)B will contain some infrared light.Correct answer is option 'A,C,D'. Can you explain this answer?.
A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.a)Some of the incident wavelengths will be absent in Ab)Only those wavelengths will be present in B which are absent in Ac)B will contain some visible light.d)B will contain some infrared light.Correct answer is option 'A,C,D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.a)Some of the incident wavelengths will be absent in Ab)Only those wavelengths will be present in B which are absent in Ac)B will contain some visible light.d)B will contain some infrared light.Correct answer is option 'A,C,D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.a)Some of the incident wavelengths will be absent in Ab)Only those wavelengths will be present in B which are absent in Ac)B will contain some visible light.d)B will contain some infrared light.Correct answer is option 'A,C,D'. Can you explain this answer?.
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ample number of questions to practice A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x-direction. Assume that all photons emitted due to electron transition inside the gas emerge in the y-direction. Let A and B denote the lights emerging from the gas in the x and y directions respectively.a)Some of the incident wavelengths will be absent in Ab)Only those wavelengths will be present in B which are absent in Ac)B will contain some visible light.d)B will contain some infrared light.Correct answer is option 'A,C,D'. Can you explain this answer? tests, examples and also practice Class 12 tests.
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