Post Utme Physics Past Questions and Answers

Question 931:

When compared with water, mercury is prepared as a thermometric liquid because it

A. Has higher density
B. Has lower specific heat capacity
C. Exhibit anomalous thermal expansion
D. Contains molecules which have very strong adhesive forces
E. Has higher specific heat capacity

Question 932:

How far from a cliff should a boy stand in order to hear the echo of his clap 0.9s later? (speed in sound air = 330ms[sup-1[/sup])

A. 121.67m
B. 148.50m
C. 123.45m
D. 134.33m
E. 149.35m

Question 933:

A body dropped from a certain height above the ground level falls with uniform

A. Speed
B. Velocity
C. Acceleration
D. Retardation
E. Rotation

Question 934:

Which of the following values on the absolute scale of temperature is the ice point.

A. OK
B. 32K
C. 100K
D. 273K
E. 723K

Question 935:

A force acting on a body causes a change in the momentum of the body from 12kgms' to 16kgms" in 0.2s. calculate the magnitude of the force.

A. 14.0N
B. 20.0N
C. 4.0N
D. 0.8N
E. 19.0N