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In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result of
- a)Collision between different electrons of the atoms of the gas .
- b)Excitation of electrons in the atoms .
- c)Collision between the atoms of the gas .
- d)Collisions between the charged particles emitted from the cathode and the atoms of the gas .
Correct answer is option 'D'. Can you explain this answer?
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In the phenomenon of electric discharge through gases at low pressure,...
The phenomenon of electric discharge through gases at low pressure is commonly observed in devices such as fluorescent lamps, neon signs, and cathode-ray tubes. This process involves the flow of electrical current through a gas at a low pressure, resulting in the emission of light. The coloured glow in the tube is a result of collisions between the charged particles emitted from the cathode and the atoms of the gas.
Explanation:
When an electric discharge is passed through a gas at low pressure, the gas atoms become excited. This excitation occurs due to collisions between the charged particles emitted from the cathode and the atoms of the gas.
Key Points:
- Electric discharge through gases at low pressure results in the emission of light.
- The coloured glow in the tube is a result of collisions between the charged particles emitted from the cathode and the atoms of the gas.
- The excitation of the gas atoms occurs due to these collisions.
How does the glow appear?
The glow appears when the excited gas atoms return to their ground state from the excited state. This return to the ground state is accompanied by the emission of photons, which are particles of light. The energy of the emitted photons corresponds to the energy difference between the excited state and the ground state of the gas atoms.
Key Points:
- The glow appears when the excited gas atoms return to their ground state.
- The emission of photons accompanies this return to the ground state.
- The energy of the emitted photons corresponds to the energy difference between the excited state and the ground state of the gas atoms.
Conclusion:
In conclusion, the coloured glow in the tube during electric discharge through gases at low pressure is a result of collisions between the charged particles emitted from the cathode and the atoms of the gas. These collisions lead to the excitation of the gas atoms, which subsequently emit photons when they return to their ground state, resulting in the observed glow.
Explanation:
When an electric discharge is passed through a gas at low pressure, the gas atoms become excited. This excitation occurs due to collisions between the charged particles emitted from the cathode and the atoms of the gas.
Key Points:
- Electric discharge through gases at low pressure results in the emission of light.
- The coloured glow in the tube is a result of collisions between the charged particles emitted from the cathode and the atoms of the gas.
- The excitation of the gas atoms occurs due to these collisions.
How does the glow appear?
The glow appears when the excited gas atoms return to their ground state from the excited state. This return to the ground state is accompanied by the emission of photons, which are particles of light. The energy of the emitted photons corresponds to the energy difference between the excited state and the ground state of the gas atoms.
Key Points:
- The glow appears when the excited gas atoms return to their ground state.
- The emission of photons accompanies this return to the ground state.
- The energy of the emitted photons corresponds to the energy difference between the excited state and the ground state of the gas atoms.
Conclusion:
In conclusion, the coloured glow in the tube during electric discharge through gases at low pressure is a result of collisions between the charged particles emitted from the cathode and the atoms of the gas. These collisions lead to the excitation of the gas atoms, which subsequently emit photons when they return to their ground state, resulting in the observed glow.
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Community Answer
In the phenomenon of electric discharge through gases at low pressure,...
Option D is correct.
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In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result ofa)Collision between different electrons of the atoms of the gas .b)Excitation of electrons in the atoms .c)Collision between the atoms of the gas .d)Collisions between the charged particles emitted from the cathode and the atoms of the gas .Correct answer is option 'D'. Can you explain this answer?
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In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result ofa)Collision between different electrons of the atoms of the gas .b)Excitation of electrons in the atoms .c)Collision between the atoms of the gas .d)Collisions between the charged particles emitted from the cathode and the atoms of the gas .Correct answer is option 'D'. 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 In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result ofa)Collision between different electrons of the atoms of the gas .b)Excitation of electrons in the atoms .c)Collision between the atoms of the gas .d)Collisions between the charged particles emitted from the cathode and the atoms of the gas .Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result ofa)Collision between different electrons of the atoms of the gas .b)Excitation of electrons in the atoms .c)Collision between the atoms of the gas .d)Collisions between the charged particles emitted from the cathode and the atoms of the gas .Correct answer is option 'D'. Can you explain this answer?.
In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result ofa)Collision between different electrons of the atoms of the gas .b)Excitation of electrons in the atoms .c)Collision between the atoms of the gas .d)Collisions between the charged particles emitted from the cathode and the atoms of the gas .Correct answer is option 'D'. 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 In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result ofa)Collision between different electrons of the atoms of the gas .b)Excitation of electrons in the atoms .c)Collision between the atoms of the gas .d)Collisions between the charged particles emitted from the cathode and the atoms of the gas .Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result ofa)Collision between different electrons of the atoms of the gas .b)Excitation of electrons in the atoms .c)Collision between the atoms of the gas .d)Collisions between the charged particles emitted from the cathode and the atoms of the gas .Correct answer is option 'D'. Can you explain this answer?.
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