Advertisements
Advertisements
Question
For what position of object, the image formed by a concave mirror is magnified and erect?
Solution
If the object is placed between the pole and focus of a concave mirror, the image formed is magnified and erect.
APPEARS IN
RELATED QUESTIONS
One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens? Draw a ray diagram to justify your answer. A 4 cm tall object is placed perpendicular to its principal axis of a convex lens of focal length 20 cm. The distance of the object from the lens is 15 cm. Find the nature, position and the size of the image.
Give one use each of a concave and a convex mirror.
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
Name the mirror which always produces an erect and virtual image. How is the size of image related to the size of object?
Name the kind of mirror used to obtain:
A virtual and enlarged image
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
An object of height 2 cm is placed at a distance of 20 cm in front of a concave mirror of a focal length of 12 cm. Find the position, size, and nature of the image.
In torches, search lights and headlights of vehicles the bulb is placed ______.