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Assertion : If a beam of photons of energy 10.0 eV each is incident on a sample of hydrogen gas containing all atoms in the ground state, then the beam of the photons is completely transmitted through gas without absorption. Reason: The minimum energy required by an electron to make a transition to an excited state is 10.2 eV. answer: Both assertion and reason are true and reason is the correct explanation of the assertion. Please explain how.


Assertion : If a beam of photons of energy 10.0 eV each is incident on a sample of hydrogen gas containing all atoms in the ground state, then the beam of the photons is completely transmitted through gas without absorption.

 

Reason: The minimum energy required by an electron to make a transition to an excited state is 10.2 eV.

 

answer: Both assertion and reason are true and reason is the correct explanation of the assertion.

 

Please explain how.


Grade:10

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