Question 491:

• JAMB 1988

A body whose mass is 2kg and has a volume of 500cm3 just floats when completely immersed in a liquid. Calculate the density of the liquid

A. 4.0 x 10²kgm^-3
B. 4.0 x 10³kgm^-3
C. 1.0 x 10³kgm^-3
D. 1.0 x 10⁶kgm^-3

Question 492:

• JAMB 1988

The product PV where P is pressure and V is volume has the same unit as

A. Force
B. Power
C. Energy
D. Accelaration

Question 493:

• JAMB 1988

The amount of heat needed to raise the temperature of 10kg of copper by 1k is its

A. Specific heat capacity
B. Heat capacity
C. Latent heat
D. Internal energy

Question 494:

• JAMB 1988

A tap supplies water at 25^oC while another supplies water at 75^oC. If a man wishes to bathe with water at 40^oC, the ratio of the mass of cold water to the mass of hot water required is

A. 1 : 3
B. 15 : 8
C. 7 : 3
D. 3 : 1

Question 495:

• JAMB 1988

When heat is applied to one end of a metal rod, the molecules at the other end soon begin to vibrate with greater amplitude than before because heat has been transferred by

A. Radiation
B. Convection
C. Conduction
D. Evaporation