The energy of an α -particle is 6.8 × 10 - 18 J . What will be the wavelength associated with it?

We know E = h c λ Or, λ = h c E = 6.626 × 10 - 34 × ( 3 × 10 8 6.8 × 10 - 18 = 2.923 × 10 - 8 m

E M B I B E

Physical Science Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Structure of Atom>Exercise>Q 24

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IMPORTANT

Earn 100

How many spherical nodal surfaces are there in
(i) a 3S orbital

Important Questions on Structure of Atom

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10th Andhra Pradesh Board

IMPORTANT

Physical Science Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Structure of Atom>Exercise>Q 25

how many spherical nodal surfaces are there in (i) a 3p orbital

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10th Andhra Pradesh Board

IMPORTANT

Physical Science Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Structure of Atom>Exercise>Q 27

The energy of an

α

-particle is

6.8 \times 10^{- 18} J .

What will be the wavelength associated with it?

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10th Andhra Pradesh Board

IMPORTANT

Physical Science Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Structure of Atom>Exercise>Q 28

What is Planck's Quantum Theory ?

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Physical Science Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Structure of Atom>Exercise>Q 29

The journey from Dalton's model of atom to Thomson's model of atom to Rutherford's model of atom to Bohr's model of atom is a long and strenuous one. Each model has its merits and drawbacks. Even Bohr's model of atom is not the final answer to the structure of atom.
State a defect of Bohr's model of atom.

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Physical Science Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Structure of Atom>Exercise>Q 30

What is the experimental evidence in support of the idea that electronic energies in an atom are quantized?

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Physical Science Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Structure of Atom>Exercise>Q 31

The

{Li}^{2 +}

ion is a hydrogen like ion that can be described by the Bohr model. Calculate the Bohr radius of the third orbit and calculate the energy of an electron in