Jamb Physics 1982 Past Questions and Answers

Question 31:

• JAMB 1982

The range of accommodation of a normal human eye is

A. 0m to 0.1m
B. 0m to 0.25m
C. 0.10m to 0.25m
D. 0.10m to infinity
E. 0.25m to infinity

Question 32:

• JAMB 1982

A hydrometer is an instrument for measuring the

A. Depth of water in a vessel
B. Relative density of a liquid by the method of flotation
C. Relative dendity of a liquid by finding the apparent loss in weight
D. Relative humidity of the air
E. Atmospheric pressure when the air is humid

Question 33:

• JAMB 1982

The point beyond which a stretched spring does not return to its original length is called the

A. Breaking point
B. Elastic limit
C. Spring constant
D. Elasticity point
E. Release point

Question 34:

• JAMB 1982

The point beyond which a stretched spring does not return to its original length is called the

A. Breaking point
B. Elastic limit
C. Spring constant
D. Elasticity point
E. Release point

Question 35:

• JAMB 1982

A 10g mass placed on the pan of a spring balance causes an extension of 5cm. If a 15g mass is placed on the pan of the same spring balance, the extension is

A. 3.3cm
B. 6.5cm
C. 7.5cm
D. 10.8cm
E. 15.0cm