When the string and Body are vibrating at the same frequency

Why does an orange look orange?

It reflects orange light and absorbs other colors.

Why does white light separate into different colors when it passes through a prism?

Because of the differences in wave speed

What is true about a diverging lens?

It bends light outward and creates only a virtual image

The rate at which light energy flows through space

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Sound and Light

12 termsStudBud Administration206 plays

A #Physical Science quiz

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Questions 12

Answers

1
What does the intensity of a sound wave depend on?
Loudness
Amplitude
Frequency
Pitch
2
How do musical instruments produce sound?
Through vibrating strings
through membranes
Through air columns
All of the above
3
What is resonance?
When the vibration causes a standing wave
When the string and Body are vibrating at the same frequency
When the pitch is pure
when the intensity decreases over time
4
What part of the eye is responsible for the largest percentage of refracted light?
Iris
Cornea
Retina
Lens
5
Which instrument uses radio waves to locate objects?
Radar
Sonogram
Sonar
Ultrasound
6
Why does an orange look orange?
It absorbs red and yellow light only.
It reflects orange light and absorbs other colors.
It absorbs orange light and reflects other colors.
It reflects red and yellow light only.
7
What do you call the separation of white light into different colors?
Dispersion
Reflection
Magnification
Refraction
8
Why does white light separate into different colors when it passes through a prism?
Because of total internal dispersion
Because of reflection
Because of the differences in wave speed
Because of droplets in the air
9
What is true about a diverging lens?
It bends light outward and creates only a virtual image
It bends light inward and creates a virtual or real image
It bends light inward and creates only a real image
It bends light outward and creates a virtual or real image
10
What happens to light when it moves from a material with a high speed to one that is slower?
It reflects off the boundary.
It changes into a virtual image.
It bends toward normal.
It bends away from normal.
11
What is intensity?
The rate at which light energy flows through space
The rate at which light energy moves in time
The length of a light wave
The amount of heat/work produced by light
12
What do sonar and ultrasound depend on?
Dissipation
Dispertion
Reflection
Amplification

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