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प्रश्न
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
विकल्प
plane
convex
concave
convex and concave
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उत्तर
concave
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संबंधित प्रश्न
What kind of mirror is required for obtaining a virtual image of the same size as the object?
What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
Write the mirror formula. Give the meaning of each symbol which occurs in it.
What is a spherical mirror?
What is a spherical mirror?
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length 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:
Which mirror is used in periscope?
Define the following term in relation to concave mirror.
Radius of curvature
Spherical mirrors are one form of ______ mirrors.
The radius of curvature of a spherical mirror is 18 cm. What is the focal length of this mirror?
Explain why a ray of light passing through the center of curvature of a concave mirror, gets reflected along with the same pattern.
