EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Atomic Structure>TS EAMCET - 5 August 2021 Shift 1>Q 1

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The mass number and the volume of a nucleus is $M$ and $V$ respectively. If the mass number is increased to $2 M$ then the volume is changed to

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Important Questions on Atomic Structure

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Atomic Structure>TS EAMCET 2020 (9-Sep Shift-1)>Q 2

In the hydrogen atom spectrum, let

E_{1}

and

E_{2}

are energies for the transition

n = 2 \to n = 1

and

n = 3 \to n = 2

respectively. The ratio

E_{2} / E_{1}

is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Atomic Structure>TS EAMCET 2021 (04-Aug Shift-1)>Q 3

A hydrogen atom in the ground state absorbs,

∆ E

amount of energy. If the orbital angular momentum of the electron is increased by

\frac{h}{2 π}

(

h =

Plank constant), then the magnitude of

Δ E

is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Atomic Structure>TS EAMCET - 5 August 2021 Shift 1>Q 4

If the light from Balmer series of hydrogen is used to eject photoelectrons from a metal, then the maximum work function of the metal can be

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Atomic Structure>TS EAMCET - 5 August 2021 Shift 2>Q 5

A hydrogen atom emits a photon corresponding to an electron transition from

n = 5

to

n = 1 .

If

R

is the Rydberg constant, then the wavelength of emitted photon is