A telescope whose primary is a lens and contains no mirrors is a(n) _______ telescope
a. refracting
b. reflecting
c. deflecting
d. compound
e. retracting
a
You might also like to view...
Which of these causes a change in the direction of a light ray?
A. reflection B. refraction C. scattering D. All of these are a change in direction of a light ray.
Red light with a wavelength of 650 nm travels from air into a liquid with an index of 1.33. What are the frequency and wavelength of the light in the liquid? (c = 3.0 × 108 m/s)
What will be an ideal response?
Which is Saturn's largest satellite?
a. Ganymede b. Enceladus c. Phoebe d. Titan e. Callisto
For a beam of light, the direction of polarization is defined as
A) the beam's direction of travel. B) the direction of the electric field's vibration. C) the direction of the magnetic field's vibration. D) the direction that is mutually perpendicular to the electric and magnetic field vectors.