Post Utme Physics Past Questions and Answers

Question 631:

PHYSICS The weakest form of bonding in materials is ____________

A. Ionic
B. Metallic
C. Covalent
D. Van der Waals

Question 632:

The period of a simple pendulum oscillating in a vacuum depends on ____________

A. The mass of the pendulum
B. The length of the pendulum
C. The acceleration due to gravity
D. The volume of the pendulum

Question 633:

Which one of the following phenomenon cannot be explained by the wave theory of light?

A. Refraction
B. Interference
C. Diffraction
D. Photoelectric effecT

Question 634:

Which of these best describes the power of a lens ____________

A. \(P=1 / f\)
B. \(P =F f_{\mu}\)
C. \(P =[\lambda\)
D. \(P=f \mu\)

Question 635:

Which of the following attributes of a machine does not depend on friction?
(1) Mechanical advantage
(2) Velocity ratio
(3) Efficiency

A. 1 only
B. 2 only
C. 3 only
D. 1 and 2 only