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JEE-ADVANCED SERIES
Physics

Atoms

4 previous year questions.

Volume: 4 Ques
Yield: Medium

High-Yield Trend

1
2019
2
2007
1
2005

Chapter Questions
4 MCQs

01
PYQ 2005
easy
physics ID: jee-adva

A photon collides with a stationary hydrogen atom in the ground state inelastically. The energy of the colliding photon is 10.2 eV. After a time interval of the order of microseconds, another photon collides with the same hydrogen atom inelastically with an energy of 15 eV. What will be observed by the detector?

1
2 photons of energy 10.2 eV
2
2 photons of energy 1.4 eV
3
One photon of energy 10.2 eV and an electron of energy 1.4 eV
4
One photon of energy 10.2 eV and another photon of energy 1.4 eV
02
PYQ 2007
medium
physics ID: jee-adva
The largest wavelength in the ultraviolet region of the hydrogen spectrum is . The smallest wavelength in the infrared region of the hydrogen spectrum (to the nearest integer) is
1
2
3
4
03
PYQ 2007
medium
physics ID: jee-adva
Electrons with de-Broglie wavelength fall on the target in an tube. The cut-off wavelength of the emitted is
1
2
3
4
04
PYQ 2019
medium
physics ID: jee-adva
A free hydrogen atom after absorbing a photon of wavelength gets excited from the state n = 1 to the state n = 4. Immediately after that the electron jumps to n = m state by emitting a photon of wavelength Let the change in momentum of atom due to the absorption and the emission are ?p and ?p , respectively. If . Which of the option(s) is/are correct ? [Use hc = 1242 eV nm; 1 nm = 10 m, h and c are Planck's constant and speed of light, respectively]
1
= 418 nm
2
The ratio of kinetic energy of the electron in the state n = m to the state n = 1 is
3
m = 2
4

About Atoms - JEE-ADVANCED

Atoms is a vital chapter for JEE-ADVANCED aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Atoms PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Atoms carry the most weight. Then, tackle the questions iteratively to solidify your understanding.