Science Form 2 Chapter 10 Sound Waves

Sound is a form of energy caused by....

• conduction

• convection

• radiation

• vibration

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Which of the following does not allow sound waves to propagate?

• vacuum

• liquid

• solid

• gas

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Which of the following is a good sound absorber?

• Concrete wall

• Marble tile

• Aluminium sheet

• Softboard

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Choose the correct arrangement of the speed at which mediums transmit sound in ascending order.

• Solid, gas, liquid

• Solid, liquid, gas

• Gas, liquid, solid

• Liquid, gas, solid

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Which of the following affects the pitch of sound?

• Loudness of sound

• Amplitude of sound

• Reflection of sound

• Frequency of sound

What is term used to describe reflected sound?

• Pitch

• Loud

• Echo

• Note

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Which of the following fields does not use sonar?

• Medicine

• Education

• Shipping

• Fisheries

Which of the following animals uses echolocation to move in the dark?

• Dog

• Cat

• Elephant

• Bat

Which tool is used to overcome the limitation of hearing in humans?

• Kaleidoscope

• Microscope

• Stethoscope

• Periscope

Which of the following is the hearing range of humans?

• 16 Hz to 12 000 Hz

• 55 Hz to 33 500 Hz

• 20 Hz to 20 000 Hz

• 2 000 Hz to 110 000

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