Q1PhysicsUnit 18: Atoms and Nuclei
When a hydrogen atom is raised from the ground state to an excited state.
Physics · JEE
Bohr model, energy levels, hydrogen spectrum Short Tricks for JEE
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Quick answer
Short tricks for Bohr model, energy levels, hydrogen spectrum work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.
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Short tricks for speed
Bohr model, energy levels, hydrogen spectrum focus drill
Solve 15 mixed MCQs for Bohr model, energy levels, hydrogen spectrum, review every explanation, and note formulas you hesitated on.
Dimensional check first
Before solving, verify each term has consistent SI dimensions — eliminates wrong options quickly in JEE MCQs.
Limiting cases
Substitute extreme values (t→0, m→∞, θ→0) to sanity-check your final expression.
Syllabus context
Part of Atoms and Nuclei in JEE Main Physics.
Free sample questions
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Q2PhysicsUnit 18: Atoms and Nuclei
What is an energy gap?
Q3PhysicsUnit 18: Atoms and Nuclei
The wavelength of a certain electron
transition in the hydrogen spectrum is 4864 A. Identify the transition.
Q4PhysicsUnit 18: Atoms and Nuclei
The ratio of wavelengths of the last line
of Balmer series and the last line of
Lyman series is
Q5PhysicsUnit 18: Atoms and Nuclei
Fraunh offer line of the solar system is an example of:
Q6PhysicsUnit 18: Atoms and Nuclei
An electron collides with a Hydrogen atom in its ground state and excites it
to state. The energy given to the
Hydrogen atom in his inelastic collision (neglecting the recoil of Hydrogen atom) is
Q7PhysicsUnit 18: Atoms and Nuclei
Fill in the blank.
In a Ruby laser, the colour of laser light is due to
Q8PhysicsUnit 18: Atoms and Nuclei
An electron with energy 12.09 eV strikes hydrogen atom in ground state and gives its all energy to the hydrogen atom. Therefore hydrogen atom is excited to
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