Advertisements
Advertisements
प्रश्न
For what position of object, the image formed by a concave mirror is magnified and erect?
उत्तर
If the object is placed between the pole and focus of a concave mirror, the image formed is magnified and erect.
APPEARS IN
संबंधित प्रश्न
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.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
What will be the focal length of this mirror?
Name the kind of mirror used to obtain:
A virtual and diminished image
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
Which of the following has curved reflecting surface?
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
