Physics 2000 Jamb Past Questions and Answers

Question 11 :

• JAMB 2000

Total internal reflection occurs when light moves from

A. A dense medium to a less dense medium
B. Air to water
C. Water to glass
D. A less dense to a dense medium

Question 12 :

• JAMB 2000

A quantity of water at 0°C is heated to about 30°C. At each degree rise in temperature, its density will

A. Rise steadily
B. Fall steadily
C. Fall then rise
D. Rise then fall

Question 13 :

• JAMB 2000

I. Coherence
II. Same frequency
III. Same wavelength
IV. Same Intensity
Which of the conditions above are necessary to produce interference fringes?

A. I and III
B. I, II and IV
C. I, II and III
D. II and III

Question 14 :

• JAMB 2000

A boy observes a piece of stone at the bottom of a river 6.0m deep. If he looks from the surface of the river, what is the apparent distance of the stone from him? [Refractive Index of Water = 4/3]

A. 8.0m
B. 5.5m
C. 5.0m
D. 4.5m

Question 15 :

• JAMB 2000

A thin wire with heavy weights attached to both ends is hung over a block of ice resting on two supports. If the wire cuts through the ice block while the block remains solid behind the wire, the process is called

A. Condensation
B. Sublimation
C. Regelation
D. Fusion