Quiz about Wave Phenomena

Question 1

A submarine is transmitting a sound wave toward a big rock on the sea bed. State the wave phenomenon involved.

Accepted Answer

Reflection

Answer

Refraction

Answer

Dispersion

Answer

Interferens

Question 2

What are echoes?

Sounds that are _______ from a hard surface.

Accepted Answer

reflected

Answer

absorbed

Answer

propagate

Question 3

__________ is a sound reflection technology applied in ships at sea using the reflection of sound waves to determine the depth of the sea.

Accepted Answer

Sonar

Answer

Reflection

Answer

Echo

Answer

Solar

Question 4

The frequency of sound that can be detected by humans is within the range of _________

Accepted Answer

20 Hz to 20 000 Hz

Answer

67 Hz to 45 000 Hz

Answer

16 Hz to 12 000 Hz

Answer

2 000 Hz to 110 000 Hz

Question 5

What do we call it when a wave changes direction because it has passed from one medium into another and has changed speeds as a result?

Accepted Answer

Refraction

Answer

Reflection

Answer

Rarefaction

Answer

Diffraction

Answer

Interfraction

Question 6

What type of wave behavior is pictured above?

Accepted Answer

Refraction

Answer

Reflection

Answer

Absorption

Answer

Diffraction

Question 7

What happens when a wave bends around the edge of an object or through openings?

Accepted Answer

Diffraction

Answer

Reflection

Answer

Refraction

Answer

Absorption

Question 8

What type of wave behavior is pictured above?

Accepted Answer

Diffraction

Answer

Refraction

Answer

Reflection

Answer

Absorption

Question 9

When a medium does not allow a wave to travel through, but transfers the energy from the wave to the object.

Accepted Answer

absorb

Answer

transmit

Answer

refelct

Answer

refract

Question 10

Ultrasound is a kind of sound wave with its frequency of more than ......

Accepted Answer

20 kHz

Answer

50 kHz

Answer

40 kHz

Answer

30 kHz

Question 11

Which of the following uses the principle of reflection of sound?

Accepted Answer

Sonar

Answer

Hearing aid

Answer

Loudspeaker

Answer

Microscope

Question 12

Dolphins warn each other of the presence of predator using ultrasound. We cannot hear the ultrasound because

Accepted Answer

human can only hear sound of frequency range from 20 Hz to 20 000 Hz.

Answer

the sound is too low.

Answer

the sound was absorbed by water.

Answer

the sound produce multiple echo until our ears cannot capture it.

Question 13

Which of the following statements about ultrasound is true?

Accepted Answer

The frequency of sound waves more than 20 000 Hz.

Answer

Ultrasound can only be heard by human being.

Answer

Ultrasound is similar to Doppler effect.

Answer

Ultrasound has low frequency sound waves.

Question 14

What is an echo?

Accepted Answer

The reflected sound waves.

Answer

The vibrations of sound.

Answer

The changes of sound frequency.

Answer

The sound waves which are absorbed.

Question 15

___________ and _________ make use of ultrasound waves to estimate the distance while flying and hunting for prey.

(2 answers)

Accepted Answer

bats

Accepted Answer

dolphins

Answer

dogs

Answer

birds

Question 16

Which of the following animals detects direction by using ultrasound?

Accepted Answer

Bat

Answer

Monkey

Answer

Jelly fish

Answer

Chicken

Question 17

Echo is a reflected sound that takes time to reach the ear of the listener. The phenomena of echo can be found in the following areas except

Accepted Answer

outdoor playground

Answer

cave

Answer

tunnel

Answer

empty room

Question 18

Sound can reflected easily by .......

Accepted Answer

Walls

Answer

Curtains

Answer

Carpets

Answer

Paper

Question 19

What is the bouncing back of a wave that hits a surface through which it cannot pass?

Accepted Answer

Reflection

Answer

Refraction

Answer

Diffraction

Answer

Absorption

Question 20

Which wave phenomenon is responsible for the bending of light as it passes through a prism?

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Interference

Question 21

In an experiment, a sound wave is directed at a barrier with a small opening. The wave spreads out after passing through the opening. What is this phenomenon called?

Accepted Answer

Diffraction

Answer

Reflection

Answer

Refraction

Answer

Absorption

Question 22

Which of the following real-world applications utilizes the principle of wave interference?

Accepted Answer

Noise-cancelling headphones

Answer

Sonar

Answer

Ultrasound imaging

Answer

Radio broadcasting

Wave Phenomena

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