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KCSE Physics Practice

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Question 1

What is the SI unit of length?

Measurement and errorsMeasurement and errorseasy

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Question 2

A car travels 60 km in 2 hours. What is its average speed?

Motion in one and two dimensionsMotion in one and two dimensionseasy

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Question 3

Which law states that an object at rest stays at rest unless acted upon by an external force?

Forces and Newton's lawsForces and Newton's lawseasy

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Question 4

What is the work done when a force of 10 N moves an object 3 m in the direction of the force?

Energy, work, powerEnergy, work, powereasy

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Question 5

Momentum is defined as:

Momentum and collisionsMomentum and collisionseasy

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Question 6

An object rotating about an axis has angular momentum that depends on:

Rotational motion and angular momentumRotational motion and angular momentummedium

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Question 7

Which property describes a material's ability to return to its original shape after deformation?

ElasticityElasticitymedium

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Question 8

Pressure in a fluid increases with:

Pressure and fluidsPressure and fluidseasy

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Question 9

Heat transfer by direct contact is called:

Temperature and heatTemperature and heateasy

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Question 10

Which of the following is a statement of the Second Law of Thermodynamics?

ThermodynamicsThermodynamicsmedium

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Question 11

A body oscillates with simple harmonic motion if its acceleration is:

Simple harmonic motionSimple harmonic motionmedium

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Question 12

Which wave property is related to the number of oscillations per second?

Waves and oscillationsWaves and oscillationseasy

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Question 13

Sound waves are:

SoundSoundeasy

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Question 14

The angle between the incident ray and the normal at a reflecting surface is called:

Light: reflection and refractionLight: reflection and refractioneasy

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Question 15

A converging lens forms a real image when the object is placed:

Lenses and optical instrumentsLenses and optical instrumentsmedium

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Question 16

Electric current is defined as:

Electricity: charges, fields, potentialElectricity: charges, fields, potentialeasy

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Question 17

Ohm's law relates:

Current and circuitsCurrent and circuitseasy

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Question 18

Electromagnetic induction occurs when:

Electromagnetic inductionElectromagnetic inductionmedium

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Question 19

Magnetism is caused by:

MagnetismMagnetismeasy

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