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प्रश्न
Name the two types of spherical mirrors. What type of mirror is represented by the:
front side of a shining steel spoon?
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उत्तर
The types of spherical mirrors represented by the
front side of a shining steel spoon is concave mirror
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal axis
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. |
Give one use each of a concave and a convex mirror.
A virtual image larger than the object can be produced by a ______.
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
How is a spherical mirror used to converge a beam of light at a point? Name the type of mirror used.
AB and CD, two spherical mirrors, from parts of a hollow spherical ball with its centre at O as shown in the diagram. If arc AB = `1/2` arc CD, what is the ratio of their focal lengths? State which of the two mirrors will always form virtual image of an object placed in front of it and why.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
The letters on the front of an ambulance are written laterally inverted like 
. Give reason.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
What do you understand by the term real image?
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
