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प्रश्न
A ray of light travels from a denser medium to a rarer medium. How will it bend?
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उत्तर
When a ray of light travels from a DENSER medium to a RARER medium it will bend AWAY from normal
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संबंधित प्रश्न
An image formed by a ______ mirror is always of the same size as that of the object.
Match the items given in Column I with one or more items of Column II.
| Column I | Column II | ||
| (a) | A plane mirror | (i) | Used as a magnifying glass. |
| (b) | A convex mirror | (ii) | Can form image of objects spread over a large area. |
| (c) | A convex lens | (iii) | Used by dentists to see enlarged image of teeth. |
| (d) | A concave mirror | (iv) | The image is always inverted and magnified. |
| (e) | A concave lens | (v) | The image is erect and of the same size as the object. |
| (vi) | The image is erect and smaller in size than the object. |
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
What name is given to the distance between spherical mirror and carbon paper?
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
For what position of object, the image formed by a concave mirror is magnified and erect?
Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.
Select the correct option:
Which mirror is used in periscope?
What is the relation between focal length and radius of curvature of a concave mirror?
Geometric centre of the spherical mirror is ______.
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
