Question 1

What is the definition of the term "refraction"?

Accepted Answer

The bending of a wave when it enters a medium where its speed is different.

Answer

The bouncing back of waves when they hit a barrier.

Answer

The spreading of wave energy as it passes through an opening.

Answer

The increase in wave frequency as it moves towards an observer.

Question 2

What is the definition of the term "wavelength"?

Accepted Answer

The distance between successive crests or troughs of a wave.

Answer

The height of the wave from crest to trough.

Answer

The amount of energy carried by the wave.

Answer

The speed at which the wave travels through a medium.

Question 3

What is the definition of the term "amplitude"?

Accepted Answer

The maximum distance that points on a wave move from their rest positions.

Answer

The frequency of the wave, measured in hertz.

Answer

The total energy carried by the wave.

Answer

The speed at which a wave travels through a medium.

Question 4

What is the definition of the term "diffraction"?

Accepted Answer

The bending of waves around obstacles and the spreading out of waves after passing through an opening.

Answer

The measurement of how fast a wave travels.

Answer

The reflection of waves off a smooth surface.

Answer

The change in frequency of a wave in a moving medium.

Question 5

What is the definition of the term "frequency"?

Accepted Answer

The number of waves that pass a given point in one second.

Answer

The distance between the crest and trough of a wave.

Answer

The strength of the wave measured in decibels.

Answer

The amount of time it takes for one complete wave to pass.

Question 6

What is the definition of the term "reflection"?

Accepted Answer

The bouncing back of a wave when it hits a barrier or surface.

Answer

The change in direction of a wave due to a change in speed.

Answer

The absorption of waves by a surface.

Answer

The blending of waves to form a new wave pattern.

Question 7

What is the definition of the term "incidence" in the context of waves?

Accepted Answer

The angle at which a wave strikes a surface.

Answer

The energy carried by a wave.

Answer

The type of medium through which a wave travels.

Answer

The distance a wave travels in a given time.

Question 8

What is the definition of the term "polarization"?

Accepted Answer

The orientation of the oscillations of a wave, typically in relation to its direction of travel.

Answer

The increase in speed of a wave as it travels through a medium.

Answer

The decrease in wavelength of a wave due to energy loss.

Answer

The separation of light into different colors.

Question 9

What is the definition of the term "telescope"?

Accepted Answer

An instrument that gathers and magnifies light to observe distant objects.

Answer

A device used to measure the speed of waves.

Answer

A tool that creates sound waves for communication.

Answer

A method for changing the wavelength of light.

Question 10

What is the definition of the term "spectrum"?

Accepted Answer

The range of different colors of light produced when light is dispersed by a prism.

Answer

The frequency of sound waves in a given environment.

Answer

The reflection of light off a shiny surface.

Answer

The amount of light absorbed by a material.

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