Physics 2018 Waec Past Questions and Answers

Question 16 :

• WAEC 2018

The ice point on the absolute scale of temperature is

A. 0K
B. 32K
C. 100K
D. 273K

Question 17 :

• WAEC 2018

Which of the following factors does not increase the rate of evaporation of water in a lake?

A. Increase in the pressure of the atmosphere
B. Rise in temperature
C. Increase in the surface area of the lake
D. Increase in the speed of the wind

Question 18 :

• WAEC 2018

The bob of a simple pendulum takes 8.0s to complete 10 oscillations. Determine the frequency of oscillation of the bob.

A. 0.125Hz
B. 1.25Hz
C. 7.50Hz
D. 8.00Hz

Question 19 :

• WAEC 2018

The diagram above illustrates the mercury-in-glass thermometer used for determining the temperature of a room. Use the data on it to determine the room temperature.

A. 3.3°C
B. 7.0°C
C. 13°C
D. 30.0°C

Question 20 :

• WAEC 2018

Frequency is measured in

A. Meter per second
B. Seconds
C. Hertz
D. Farad