EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET Medical 2019 (8-May Shift-2)>Q 11

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Earn 100

How many of the following orbitals have two angular and one radial nodes?

$3 d; 4 d; 5 f; 3 p$

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Important Questions on Atomic Structure

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET - 9 August 2021 Shift 2>Q 1

In Millikan's oil drop experiment, the forces acting on the oil drop are?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET - 10 August 2021 Shift 1>Q 2

Upon irradiation with radiation of a suitable wavelength on the cathode, the photocurrent produced was reduced to zero by applying a stopping potential of

2.63 V .

If the work function of the cathode is

4.3 eV,

find the approximate wavelength of the radiation (in

nm

)

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET 2020 (28-Sep Shift-1)>Q 3

For which of the following species, the electronic transition from

n = 5

state to

n = 2

state will produce the shortest wavelength in

nm

?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET Medical 2019 (8-May Shift-2)>Q 4

If the wavelength of an electronic transition in

{He}^{+}

is

23 nm

, the wavelength corresponding to same transition in hydrogen atom in

nm

is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET Medical 2018 (02 May Shift-1)>Q 5

The radius (in

pm

) of the

3^{rd}

orbit of

{He}^{+}

is

{Li}^{2 +}

is respectively _____

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET Medical 2018 (02 May Shift-1)>Q 6

The wavelength (in

nm

) of an electron moving with a velocity of

812 m s^{- 1}

(mass of electron

= 9.1 \times 10^{- 31} kg

and Plank's constant

= 6.626 \times 10^{- 34} Js

) is approximately _______

HARD

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET Medical 2021 (9-Aug Shift-1)>Q 7

The ratio of potential energy (PE) and total energy of an electron in a Bohr orbit of a hydrogen like atom is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>TS EAMCET - 10 August 2021 Shift 1>Q 8

de Broglie was awarded the Nobel Prize in the year