Abeka 8th Science Quiz 35 L149

What type of wave is visible light?

• Sound wave
• Mechanical wave
• Radio wave
• Electromagnetic wave

What technique uses computer-controlled mirrors to correct for atmospheric distortion?

• Spectroscopy
• Adaptive optics
• Digital filtering
• Image stabilization

What is the magnifying lens that enlarges the image produced by a telescope?

• Eyepiece
• Prism
• Objective lens
• Focal reducer

What are the dark, narrow lines where the colors are absorbed in a broad spectrum of color?

• Absorption lines
• Transmission lines
• Emission lines
• Reflection lines

What device is used to determine a star's spectrum?

• Microscope
• Telescope
• Barometer
• Spectroscope

The change in a star's spectrum caused by its motion away from Earth is called _______.

• redshift
• blueshift
• spectral shift
• Doppler effect

The resolution of radio telescope images can be increased by combining images from multiple telescopes through _________.

• photometry
• spectroscopy
• interferometry
• radiometry

The color sequence seen when white light shines through a prism is called the ________ spectrum.

• infrared

• ultraviolet

• radio

• visible

A telescope that uses a mirror as the objective is a _______ telescope.

• refracting
• catadioptric
• prismatic
• reflecting

The reflecting telescope launched into space in 1990 is the _________.

• Kepler Space Telescope
• Hubble Space Telescope
• James Webb Space Telescope
• Chandra X-ray Observatory