Explore topic-wise MCQs in Physics Questions and Answers.

This section includes 3 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.

Find out the minimum energy required to take out the only one electron from the ground state of Li+?

A. 13.6 eV
B. 122.4 eV
C. 25.3 eV
D. 67.9 eV
Answer» C. 25.3 eV
Discussion
2.

The Bohr model of atoms uses Einstein’s photoelectric equation.

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

Calculate the ratio of the kinetic energy for the n = 2 electron for the Li atom to that of Be+ ion?

A. \(\frac {9}{16}\)
B. \(\frac {3}{4}\)
C. 1
D. \(\frac {1}{2}\)
Answer» B. \(\frac {3}{4}\)
Discussion