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प्रश्न
State one practical use of a concave mirror.
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उत्तर
- Concave mirrors are used in reflecting microscopes.
- Concave mirrors are used in shaving.
- Concave mirrors are used in makeup glasses.
- Concave mirrors are used in an ophthalmoscope.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
We can obtain a real, enlarged and inverted image by a concave mirror.
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
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
State whether the image in part (a) is real or virtual?
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:
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:
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
Which of the following has curved reflecting surface?
A spherical mirror whose reflecting surface is curved outwards is called ______ mirror.
