Waec Physics 2005 Past Questions and Answers

Question 56:

• WAEC 2005

State (a) the principle upon which the lightening in fluorescent tubes operate;
(b) two factors on which the colour of light from a fluorescent tube depends.

Question 57:

• WAEC 2005

(a) Define Young modulus of elasticity;
(b) A spiral spring extends from a length of 10.0 cm to 10.01 cm when a force of 20 N is applied on it. Calculate the force constant of the spring.

Question 58:

• WAEC 2005

(a) Define elastic limit
(b) State Hookes laws of elasticity

Question 59:

• WAEC 2005

(a) Define surface tension
(b) State two methods by which the surface tension of a liquid can be reduced

Question 60:

• WAEC 2005

Using the kinetic theory of matter, explain the definite structure of solids.