Advertisements
Advertisements
प्रश्न
An image that cannot be obtained on a screen is called ______.
Advertisements
उत्तर
An image that cannot be obtained on a screen is called virtual image.
Explanation:
A virtual image is formed by diverging light rays and appears to be located behind the lens or mirror, making it impossible to project onto a screen.
APPEARS IN
संबंधित प्रश्न
How is the focal length of a spherical mirror related to its radius
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
Explain why a ray of light passing through the center of curvature of a concave mirror, gets reflected along with the same pattern.
