Which of the following is an inherent disadvantage of radio telescopes?
A. Radio telescopes cannot detect visible light.
B. They only work at night.
C. Radio telescopes have low magnification.
D. Radio signals are very weak, and their photons do not penetrate the atmosphere easily.
E. The long wavelength of radio waves results in lower resolving power, compared to other telescopes of the same size.
Answer: D
You might also like to view...
A__________is a device that separates light by wavelengths to produce a spectrum
A) lens B) mirror C) spectrograph D) interferometer
The neutral carbon atom consists of
a. one proton and one neutron. b. six protons. c. one proton, one neutron, and one electron. d. six protons and six electrons. e. an isotope and an ion.
Answer the following statement(s) true (T) or false (F)
One can convert work to heat (the reverse of what a heat engine does) with perfect efficiency.
You hold one end of a solid rod in a fire, and the other end becomes hot. This is an example of
a. heat conduction b. heat convection c. heat radiation d. thermal expansion e. none of the above