Waec Physics 2019 Past Questions and Answers

Question 11:

• WAEC 2019

In the diagram above, the time taken to trace a wave between P and Q is

A. 2 periods
B. 1 period
C. 1\(\frac{1}{2}\) periods
D. 1\(\frac{1}{4}\) periods

Question 12:

• WAEC 2019

Which of the following materials does not serve as a safety device in electrical circuits?

A. Connecting wires
B. Earth wire
C. Fuse
D. Switch

Question 13:

• WAEC 2019

Which of the following liquids has the highest surface tension?

A. Soapy water
B. Cold water
C. Hot water
D. Oily water

Question 14:

• WAEC 2019

The nucleon and proton numbers of a neutral atom of an element are 238 and 92 respectively. Determine the number of neutrons in the atom.

A. 119
B. 330
C. 165
D. 146

Question 15:

• WAEC 2019

An instrument used to measure relative humidity is the?

A. Hygrometer
B. Hydrometer
C. Pyrometer
D. Manometer