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JEE Atomic Physics PYQs with Solutions

10 previous year questions from Atomic Physics (JEE Main & Advanced NSEP) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

10 questionsNSEPAnswers + solutions

About Atomic Physics PYQs

Atomic Physics has 10 previous year questions in the Quantrex Academy JEE Main & Advanced NSEP bank. The 10 questions in this list come from Olympiad workbook (10). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Atomic Physics questions with solutions

In an atom an electron excites to the fourth orbit. When it jumps back to the lower energy levels a spectrum is formed. Total number of spectral lines in this spectrum would be

Olympiad workbook Solution View → 2

An alpha particle with kinetic energy K approaches a stationary nucleus having atomic number Z . The distance of closest approach is b . Therefore the distance of closest approach

Olympiad workbook Solution View → 3

According to Bohr's theory the ionization energy of H atom is 13.6 eV . The energy needed to remove an electron from Helium ion (He^ + ) is

Olympiad workbook Solution View → 4

An electron in hydrogen atom jumps from a level n=4 to n=1 . The momentum of the recoiled atom is

Olympiad workbook Solution View → 5

It is observed that some of the spectral lines in hydrogen spectrum have wavelengths almost equal to those of the spectral lines in He^ + ion. Out of the following the transitions

Olympiad workbook Solution View → 6

A stationary hydrogen atom emits photon corresponding to the first line (highest wave length) of Lyman series. If R is the Rydberg constant and M is the mass of the atom, the

Olympiad workbook Solution View → 7

A stationary hydrogen atom emits a photon of wavelength 1025 Å . Its angular momentum changes by

Olympiad workbook Solution View → 8

Even the radiation of highest wave length in the ultraviolet region of hydrogen spectrum is just able to eject photoelectrons from a metal. The value of threshold frequency for

Olympiad workbook Solution View → 9

Positronium is a short-lived (≈ 10^ -9 ~s) bound state of an electron and a positron (a positively charged particle with mass and charge equal (in magnitude) to an electron)

Olympiad workbook Solution View → 10

A hydrogen atom is in ground state ( n=1 ). The magnetic field produced by revolving electron, at centre of atom is B_0 . Atom is excited to state n=4 . According to Bohr model

Olympiad workbook Solution View →

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Main Atomic Physics list

The larger JEE Atomic Physics list is under Physics (374 questions).

Related JEE NSEP chapters

Ray Optics (48)Electrostatics (33)Rotational Motion (32)Current Electricity (25)Waves and Sound (25)Mechanical Properties of Fluids (24)Magnetic Effects of Current (23)Dual Nature of Matter (20)Work, Power and Energy (18)Semiconductors (17)Oscillations (17)Thermodynamics (17)

Atomic Physics in other exams

NEET Atomic Physics (198)BITSAT Atomic Physics (18)