Physics, 06.02.2021 03:10 enriquecastillo1196
15. Astronomers use different types of telescopes to observe different parts of the
electromagnetic spectrum. This allows astronomers to study objects in space. Some
electromagnetic waves are blocked by Earth's atmosphere, making it difficult for
astronomers to focus the energy into a viewable image. Instead of actually viewing
the energy, astronomers have learned to view the interactions of the energy with
the atmosphere. These faint interactions with the atmosphere allow them to study
highly energetic objects such as pulsars and black holes.
If the waves that are being observed have a frequency of 1022, what type of wave is
being observed?
A. gamma rays
B. ultraviolet
C. microwave
D. radio waves
Answers: 2
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The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?
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Apropagating wave in space with electric and magnetic components. these components oscillate at right angles to each other. it may travel in a vacuum. determine the term.
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Certain bacteria (such as aquaspirillum magnetotacticum) tend to swim toward the earth’s geographic north pole because they contain tiny particles, called magnetosomes, that are sensitive to a magnetic field. if a transmission line carrying 100 a is laid underwater, at what range of distances would the magnetic field from this line be great enough to interfere with the migration of these bacteria? (assume that a field less than 5% of the earth’s field would have little effect on the bacteria. take the earth’s field to be 5.0 * 10-5 t, and ignore the effects of the seawater.)
Answers: 1
15. Astronomers use different types of telescopes to observe different parts of the
electromagnetic...
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