What is the longest wavelength photon that can ionize a hydrogen atom in its ground state? Specify the type of radiation.

Important Questions on Atomic Physics

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 11

In Bohr's theory of hydrogen atom, calculate the energy of the photon emitted during transition of the electron from the first excited state to the ground state. Write in which region the spectrum lies.

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 1

Explain Rutherford's scattering of

α -

particles. What information did it convey about atomic structure.

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 2

What are the postulates of Bohr's theory of hydrogen atoms? Derive an expression for the energy of an electron in its nth orbit.

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 3

Explain the meaning of the terms: energy level, excitation potential, ground state. Write down the name of the series obtained in the hydrogen spectrum. Drawing the excited energy diagram of the hydrogen atom, show these series on an energy level diagram.

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 4

Write down and explain Einstein's photoelectric equation.

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 5

Describe the experiment performed to illustrate the photoelectric effect. Explain their significance.

HARD

12th Odisha Board