Physical Science SOL Review 4

What consists of changing electric and magnetic fields?

• Gamma rays

• Electromagnetic radiation

• Visible light

• Radio waves

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All types of electromagnetic radiation travel at the speed of light but differ in what?

• Direction

• Color

• Frequency

• Source

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What is the energy transmitted by various wavelengths of radiant energy converted to when it is absorbed by matter?

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Which part of the electromagnetic spectrum has the lowest energy waves and the longest wavelength?

• Gamma rays

• X-rays

• Ultraviolet

• Radio waves

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Which of the following has the highest energy waves and the shortest wavelength in the electromagnetic spectrum?

• Gamma rays

• X-rays

• Ultraviolet

• Visible light

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Visible light lies between which two types of waves in the electromagnetic spectrum?

• Gamma rays and X-rays

• X-rays and ultraviolet

• Ultraviolet and microwaves

• Microwaves and radio waves

What happens to radiant energy when it strikes an object?

• It is only reflected.

• It is only absorbed.

• It can be reflected, absorbed, or transmitted.

• It is destroyed.

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What determines the color of an object as perceived by the viewer?

• The object's material and the frequency of the light shining on it.

• The temperature of the object.

• The distance of the object from the viewer.

• The angle at which light is reflected from the object.

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According to the law of reflection, how are the incident light ray, the reflected light ray, and the normal surface of the mirror related?

• They intersect at a single point.

• They are parallel to each other.

• They lie on the same plane and the angle of incidence is equal to the angle of reflection.

• They form a right angle with each other.

What happens to the image produced by a concave mirror as the object moves far from the mirror?