Explore topic-wise MCQs in Physics Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Identify the expression for Bragg’s law from the following.

A. 2d cos⁡θ=nλ
B. 2d sin⁡θ=nλ
C. 2d sinθ=\(\frac {n}{\lambda }\)
D. 2d cosθ⁡=\(\frac {n}{\lambda }\)
Answer» C. 2d sinθ=\(\frac {n}{\lambda }\)
Discussion
2.

Intensity is different for different angles of scattering in the Davisson – Germer experiment.

A. True
B. False
Answer» B. False
Discussion
3.

Which crystal is used in the Davisson – Germer experiment?

A. Aluminum
B. Nickel
C. Cobalt
D. Zinc
Answer» C. Cobalt
Discussion
4.

Which of the following is used in the Davisson – Germer experiment?

A. Double slit
B. Single slit
C. Electron gun
D. Electron microscope
Answer» D. Electron microscope
Discussion
5.

Which theory is confirmed by the Davisson – Germer experiment?

A. de – Broglie theory
B. Newton’s theory
C. Einstein’s theory
D. Planck’s theory
Answer» B. Newton’s theory
Discussion