Jamb Physics 2004 Past Questions and Answers

Question 36:

• JAMB 2004

A person can focus an object only when it lies within 200cm from him. Which spectacles should be used to increase his maximum distance of distinct vision infinity

A. Convex lens
B. Binoculars
C. Concave lens
D. Plane glasses

Question 37:

• JAMB 2004

The pitch of a sound note depends on

A. Timbre
B. Frequency
C. Harmonics
D. Quality

Question 38:

• JAMB 2004

If u is the object distance and v the image distance, which of the following expressions gives the linear magnification produced by a convex lens of focal length f?

A. ^u/_f - f
B. ^u/_v + f
C. ^v/_f + 1
D. ^v/_f - 1

Question 39:

• JAMB 2004

The refractive index of the medium M in the diagram above is

A. 1/√3
B. 2√3
C. √3
D. 2/√3

Question 40:

• JAMB 2004

When left in a freezer, a bottle full of water cracks on freezing into ice because of the

A. Increase in the volume of water
B. Contraction of the bottle
C. Expansion of the bottle
D. Decrease in the volume of water