Jamb Physics 2013 Past Questions and Answers

Question 21:

• JAMB 2013

Steam from boiling water causes more damage on the skin than does boiling water because

A. Water has a high specific heat
B. Steam has latent heat of fusion
C. The steam is at a highter temperature than the water
D. Steam brings heat more easily by convection

Question 22:

• JAMB 2013

What will happen to the boiling point of pure water when it is heated in a place 30m below sea level?

A. It will be more than 100 ^oC
B. It will be last than 100 ^oC
C. It will still be at 100 ^oC
D. It will be fluctuating

Question 23:

• JAMB 2013

The rise or fall of a liquid in a narrow tube is because of the

A. Viscosity of the liquid
B. Surface tension of the liquid
C. Friction between the walls of the tube and the liquid
D. Osmotic pressure of the liquid

Question 24:

• JAMB 2013

The mechanism of heat transfer from one point to another through the vibration of the molecules of the medium is

A. Covection
B. Conduction
C. Radiation
D. Diffusion

Question 25:

• JAMB 2013

A wave that travels through stretched strings is known as

A. Electromagnetic wave
B. Micro wave
C. Mechanical wave
D. Seismic wave