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PASSAGE - 1
In a mixture of  H-He+ gas (He+ is singly ionized He atom), H atoms and He+ ions are excited to their respective first excited states. Subsequently, H atoms transfer their total excitation energy to He+ ions (by collisions). Assume that the Bohr model of atom is exactly valid.
Q. The wavelength of light emitted in the visible region by He+ ions after collisions with H atoms is –
  • a)
    6.5 × 10–7 m
  • b)
    5.6 × 10–7 m
  • c)
    4.8 × 10–7 m
  • d)
    4.0 × 10–7 m
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
PASSAGE - 1In a mixture of H-He+ gas (He+ is singly ionized He atom), ...
After collision with hydrogen atom the He+ ion is in its third excited state (n = 4). After that the electron can jump into n = 3.
Since only one option is correct, we need not work out the case of electron jumping from n = 4 to n = 2 .
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PASSAGE - 1In a mixture of H-He+ gas (He+ is singly ionized He atom), ...
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PASSAGE - 1In a mixture of H-He+ gas (He+ is singly ionized He atom), H atoms and He+ ions are excited to their respective first excited states. Subsequently, H atoms transfer their total excitation energy to He+ ions (by collisions). Assume that the Bohr model of atom is exactly valid.Q.The wavelength of light emitted in the visible region by He+ ions after collisions with H atoms is –a)6.5 × 10–7 mb)5.6 × 10–7 mc)4.8 × 10–7 md)4.0 × 10–7 mCorrect answer is option 'C'. Can you explain this answer?
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PASSAGE - 1In a mixture of H-He+ gas (He+ is singly ionized He atom), H atoms and He+ ions are excited to their respective first excited states. Subsequently, H atoms transfer their total excitation energy to He+ ions (by collisions). Assume that the Bohr model of atom is exactly valid.Q.The wavelength of light emitted in the visible region by He+ ions after collisions with H atoms is –a)6.5 × 10–7 mb)5.6 × 10–7 mc)4.8 × 10–7 md)4.0 × 10–7 mCorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about PASSAGE - 1In a mixture of H-He+ gas (He+ is singly ionized He atom), H atoms and He+ ions are excited to their respective first excited states. Subsequently, H atoms transfer their total excitation energy to He+ ions (by collisions). Assume that the Bohr model of atom is exactly valid.Q.The wavelength of light emitted in the visible region by He+ ions after collisions with H atoms is –a)6.5 × 10–7 mb)5.6 × 10–7 mc)4.8 × 10–7 md)4.0 × 10–7 mCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for PASSAGE - 1In a mixture of H-He+ gas (He+ is singly ionized He atom), H atoms and He+ ions are excited to their respective first excited states. Subsequently, H atoms transfer their total excitation energy to He+ ions (by collisions). Assume that the Bohr model of atom is exactly valid.Q.The wavelength of light emitted in the visible region by He+ ions after collisions with H atoms is –a)6.5 × 10–7 mb)5.6 × 10–7 mc)4.8 × 10–7 md)4.0 × 10–7 mCorrect answer is option 'C'. Can you explain this answer?.
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