Amplify Light Waves Vocabulary

Which statement best describes this image?

• Different types of waves have different wavelengths.

• Different types of waves have different amplitude.

• All waves have the same amplitude and wavelength.

Tags

NGSS.MS-PS4-1

Light waves carry [ ] from one place to another.

Answer explanation

Light waves carry energy from place to place. If a material absorbs the light, the material also absorbs the energy.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is the primary function of a lens in amplifying light waves?

• To focus light

• To disperse light

• To absorb light

• To reflect light

Which of the following devices is used to amplify light waves in a laser?

• Prism

• Mirror

• Optical fiber

• Gain medium

What is the term for the bending of light waves as they pass through different media?

• Reflection

• Refraction

• Diffraction

• Interference

Tags

NGSS.MS-PS4-2

Which phenomenon is responsible for the amplification of light in a laser?

• Stimulated emission

• Spontaneous emission

• Absorption

• Scattering

What is the role of a concave mirror in a telescope?

• To magnify the image

• To focus light

• To disperse light

• To absorb light

Which of the following is a unit of light intensity?

• Candela

• Lumen

• Lux

• Watt

What is the principle behind fiber optic communication?

• Total internal reflection

• Diffraction

• Polarization

• Scattering

Which material is commonly used as a gain medium in solid-state lasers?

• Ruby

• Glass

• Plastic

• Silicon

Tags

NGSS.MS-PS4-2