Grade 11 Physical Sciences Baseline Test

Which of the following is a scalar quantity?

• Velocity

• Force

• Displacement

• Speed

The unit of electric charge is the:

• Volt

• Ampere

• Coulomb

• Ohm

A force of 10 N is applied to a 2 kg object. What is the acceleration of the object?

• 2 m/s²

• 5 m/s²

• 20 m/s²

• 0.2 m/s²

The SI unit of power is:

• Watt

• Joule

• Ampere

• Newton

Which of the following waves requires a medium to travel through?

• Light waves

• Radio waves

• Sound waves

• X-rays

A wave with a frequency of 4 Hz has a period of:

• 4 seconds

• 1 second

• 0.25 seconds

• 0.4 seconds

The electric potential difference across a component in a circuit is 12 V, and the current is 3 A. What is the resistance of the component?

• 4 Ω

• 9 Ω

• 15 Ω

• 36 Ω

Which of the following materials is an insulator?

• Copper

• Aluminium

• Glass

• Silver

In a vacuum, the speed of light is approximately:

• 300,000 km/s

• 150,000 km/s

• 1,000,000 km/s

• 500,000 km/s

The law of conservation of momentum states that:

• Momentum is always zero in an isolated system.

• The total momentum of a system remains constant if no external forces act on it.

• Momentum can be created or destroyed.

• Momentum is only conserved in elastic collisions.