Post Utme University of Calabar Physics Past Questions and Answers

Question 16:

An object at the bottom of a pool of liquid \(10 m\) depth is seen by an observer as if it is at Bm depth. What is the refractive index of the liquid

A. \(0.25\)
B. \(0.20\)
C. \(1.25\)
D. \(0.8\)

Question 17:

Which of the following has the highest surface tension?

A. Soapy wate
B. Cold wate
C. Warm wate
D. Salt wate

Question 18:

The emf developed in a circuit is directly proportional to the rate of change of magnetic flux. The above was a finding from ____________

A. Maxwell
B. Faraday
C. Ampere
D. Lenz

Question 19:

Which of the following is stored by a dry leclanche cell?

A. Chemical energy
B. Solar energy
C. Electrical energy
D. Heat energy

Question 20:

A ball is projected horizontally from the top of a hill with a velocity of \(20 m / s\). if it reaches the ground 4 seconds later. What is the height of the hill? \(\left(g=10 m / s ^{2}\right)\)

A. \(200 m\)
B. \(20 m\)
C. \(160 m\)
D. \(40 m\)