Waec Physics Past Questions and Answers

Question 2021:

• WAEC 2021

Which of the following factors does not affect the rate of evaporation of a liquid?

A. Temperature
B. Volume
C. Wind
D. Surface area

Question 2022:

• WAEC 2021

Opening in the eye through which light passes to the retina is called the?

A. Pupil
B. Cornea.
C. Iris
D. Optic nerve.

Question 2023:

• WAEC 2021

A heat sensitive resistor made of a semiconductor is called?

A. Thermometer.
B. Thermostat.
C. Thermistor
D. Thermopile.

Question 2024:

• WAEC 2021

Electric motor primarily converts?

A. Electrical energy to chemical energy.
B. Kinetic energy to potential energy
C. Electrical energy to mechanical energy
D. Electrical energy to heat energy.

Question 2025:

• WAEC 2021

Which of the following statements about the molecules of solids and liquids is correct? They both

A. Have weak attraction.
B. Have wide separations.
C. Exhibit random motion.
D. Exhibit vibratory motion.