Multiple Choice
In an astronomical telescope the secondary mirror is
A) concave.
B) convex.
C) spherical.
D) plane.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q108: The sky is blue because of<br>A)interference.<br>B)diffraction.<br>C)scattering.<br>D)dispersion.<br>E)polarization.
Q109: Which angle is the angle of incidence
Q110: The ideal shape for the primary mirror
Q111: You look at yourself in a plane
Q112: A converging lens always forms an object's
Q114: Match each item with the correct statement
Q115: Match each item with the correct statement
Q116: The speed of light in any transparent
Q117: A light ray bends when it goes
Q118: You can see your image in a