Jamb Physics 1994 Past Questions and Answers

Question 11:

• JAMB 1994

A force of 15N stretches a spring to a total length of 30cm. An additional force of 10N stretches the spring 5cm further. Find the natural length of the spring

A. 25.0cm
B. 22.5cm
C. 20.0cm
D. 15.0cm

Question 12:

• JAMB 1994

Which of these statements are TRUE of pressure in liquids? i. pressure acts equally in all direction. ii. pressure decreases with depth. iii. pressure at the same level of a liquid is the same. iv pressure is dependent on the cross-sectional area of the barometer tube

A. I, iii only
B. I, ii, iii only
C. I, iii, and iv only
D. I, ii, iii and iv

Question 13:

• JAMB 1994

The mass of a specific gravity bottle is 15.2g when it is empty. it is 24.8g when filled with kerosene and 27.2g when filled with distilled water. Calculate the relative density of kerosene

A. 1.25
B. 1.10
C. 0.90
D. 0.80

Question 14:

• JAMB 1994

If a solid X floats in liquids P of relative density 2.0 and in liquid Q of relative density 1.5, it can be inferred that the

A. Weight of P displaced is greater than that of Q
B. Weight of P displaced is less than that of Q
C. Volume of P displaced is greater than that of Q
D. Volume of P displaced is less than that of Q

Question 15:

• JAMB 1994

The melting point of naphthalene is 78^oC. What is this temperature in kelvin

A. 100k
B. 351k
C. 378k
D. 444k