Waec Physics 2019 Past Questions and Answers

Question 21:

• WAEC 2019

The time rate of increase in velocity is called

A. Force
B. Momentum
C. Acceleration
D. Speed

Question 22:

• WAEC 2019

Which of the following quantities is a vector?

A. Volume
B. Momentum
C. Energy
D. Speed

Question 23:

• WAEC 2019

In an elastic collision, momentum is conserved as well as well as

A. Velocity
B. Kinetic energy
C. Potential energy
D. Speed

Question 24:

• WAEC 2019

The induced current in a coil always flows in a direction so as to oppose the change that causes it. This statement is known as

A. Coulomb's law
B. Lenz's law
C. Faraday's law
D. Ampere's law

Question 25:

• WAEC 2019

Which of the following instruments can be used to compare the magnitudes of charges on two given bodies?

A. Electrophorus
B. Ebonite rod
C. Gold-leaf electroscope
D. Proof planes