Which letter after reflection from a plane mirror will remain unchanged?
a) K
b) E
c) M
d) J
When light enters from air to water it…….
a) continue its path as straight line
b) bends toward the normal
c) bends away from the normal
d) reflects totally
The light passing from air to glass will cause the speed of light to…….
a) remain the same
b) increase
c) decrease
d) reduce to zero
For concave mirror, real and inverted image of same size is formed when an object is …
a) beyond center of curvature
b) at center of curvature
c) between center of curvature and focus point
d) at focus point
For concave mirror, no image formed when an object is…….
a) beyond center of curvature
b) at center of curvature
c) between center of curvature and focus point
d) at focus point
To get an enlarged and upright image, which mirror we should use?
a) convex mirror
b) concave mirror
c) plane mirror
d) rough mirror