Advertisements
Advertisements
Question
What is the nature of a mirror having a focal length of, +10 cm?
Solution
A mirror having a focal length of +10 cm is a convex mirror(a convex mirror has a positive focal length, according to the 'new cartesian sign convention').
APPEARS IN
RELATED QUESTIONS
An object is placed at a long distance in front of a convex mirror of radius of curvature 30 cm. State the position of its image.
Name the mirror which can give:
an erect and diminished image of an object.
Why can you not use a concave mirror as a rear-view mirror in vehicles?
An object 1 cm tall is placed 30 cm in front of a convex mirror of focal length 20 cm. Find the size and position of the image formed by the convex mirror.
Draw the given diagram in your answer book and complete it for the path of a ray of light after passing through the lens.
An object is placed well outside the principal focus of a convex lens. Draw a ray diagram to show how the image is formed, and say whether the image is real or virtual.
The magnification produced by a spherical mirror and a spherical lens is + 0.8.
(a) The mirror and lens are both convex
(b) The mirror and lens are both concave
(c) The mirror is concave but the lens is convex
(d) The mirror is convex but the lens is concave
The mirror used as rear-view mirror in vehicles ______.
Magnification produced by a rear view mirror fitted in vehicles
Why a convex mirror is preferred for rearview mirrors in cars?
