Post Utme Physics Past Questions and Answers

Question 651:

Which of the following has the greatest pentrating power?

A. Beta particles
B. Alpha particles
C. Gamma rays
D. Neutrons

Question 652:

The change in the direction of a wave front as a result of a change in the velocity of the wave in another medium is called ____________

A. Interference
B. Diffraction
C. Refraction
D. Refiection

Question 653:

Which of the following is a reason why concrete floor feels colder to the bare feet than a mat on the same floor during the rainy season?

A. Mat is a better conductor of heat than the feet
B. Mat loses heat to the bare feet at a faster rate than concrete floor.
C. Mat loses heat to the bare feet while the concrete floor extracts heat from them.
D. Concrete floor is a better conductor of heat than the mat.

Question 654:

A short-sighted person needs one of the following types of lens to correct the vision

A. Convex lens
B. Concave lens
C. Plano-oonvex lens
D. Plano-concave lens

Question 655:

The motion of a body is simple harmonic if the ____________

A. Acceleration is always directed towards a fixed point
B. Bath of motion is a straight line
C. Acceleration is directed towards a fixed point and proportional to its distance from the point
D. Acceleration is proportional to the square of the distance from a fixed point.
E. Acceleration is constant and directed towards a fixed point.