NAS CHAPTER 3 TEST QUESTIONS WITH VERIFIED
ANSWERS
The frequency of an electromagnetic wave is inversely related to its wavelength.
The distance between successive troughs and crests is ______. - ANSWER:
wavelength
Except for ultraviolet radiation, all of the electromagnetic radiations listed below
have wavelengths longer than visible light.
Except for radio waves, all of the kinds of electromagnetic radiation listed below
have shorter wavelengths than visible light.
Violet has a ______ wavelength in the visible electromagnetic spectrum. - The
shortest answer
The frequencies of ultraviolet radiation, gamma rays, and X-rays are the same as
those of visible light and infrared radiation. - The answer is higher than
Solar radiation that reaches the Earth's surface is composed of - ANSWER infrared
radiation.
Visible radiation.
UV radiation.
All of the aforementioned.
, Ozone in the stratosphere partially blocks _____. - ANSWER UV radiation
According to Wien's displacement law, which of the following items produces the
most intense electromagnetic energy at the shortest wavelength? - ANSWER THE
SUN
In general, when the temperature of a radiating surface lowers, the wavelength at
which the surface's radiation is most intense increases.
If the Sun's temperature reaches ______, the wavelength at which solar radiation is
most intense will decrease. - INCREASE IN ANSWERS.
is more powerful at shorter wavelengths than terrestrial infrared radiation. -
ANSWER Solar radiation
The ultimate source of solar radiation is nuclear fusion in the sun.
Today, the solar altitude is at its peak about - ANSWER midday.
During the Northern Hemisphere's winter, Earth is closest to the Sun.
The Earth is closest to the Sun in January.
During the summer in the Northern Hemisphere, the number of hours of daylight
equals the number of hours of darkness. - Answer is greater than
ANSWERS
The frequency of an electromagnetic wave is inversely related to its wavelength.
The distance between successive troughs and crests is ______. - ANSWER:
wavelength
Except for ultraviolet radiation, all of the electromagnetic radiations listed below
have wavelengths longer than visible light.
Except for radio waves, all of the kinds of electromagnetic radiation listed below
have shorter wavelengths than visible light.
Violet has a ______ wavelength in the visible electromagnetic spectrum. - The
shortest answer
The frequencies of ultraviolet radiation, gamma rays, and X-rays are the same as
those of visible light and infrared radiation. - The answer is higher than
Solar radiation that reaches the Earth's surface is composed of - ANSWER infrared
radiation.
Visible radiation.
UV radiation.
All of the aforementioned.
, Ozone in the stratosphere partially blocks _____. - ANSWER UV radiation
According to Wien's displacement law, which of the following items produces the
most intense electromagnetic energy at the shortest wavelength? - ANSWER THE
SUN
In general, when the temperature of a radiating surface lowers, the wavelength at
which the surface's radiation is most intense increases.
If the Sun's temperature reaches ______, the wavelength at which solar radiation is
most intense will decrease. - INCREASE IN ANSWERS.
is more powerful at shorter wavelengths than terrestrial infrared radiation. -
ANSWER Solar radiation
The ultimate source of solar radiation is nuclear fusion in the sun.
Today, the solar altitude is at its peak about - ANSWER midday.
During the Northern Hemisphere's winter, Earth is closest to the Sun.
The Earth is closest to the Sun in January.
During the summer in the Northern Hemisphere, the number of hours of daylight
equals the number of hours of darkness. - Answer is greater than
