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JEE Advanced Model Paper 10 with solutions for online practice

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Question : 12

Total: 54

A sample of hydrogen atoms contains 100 atoms. All the atoms are excited to the same nth excited state. The total energy released by all atoms is

Rch , , as they reaches to ground state through different electronictransitions. Then (R is Rydberg constant)

Maximum energy of a emitted photon is
48
49
Rch
Initially atoms are in 7th excited state
Initially atoms are in 6th excited state
Maximum numbers of photons that can be emitted by this sample is 1,000

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