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प्रश्न
State two uses of a plane mirror.
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उत्तर
Two uses of plane mirror:
- In barber's shop for seeing the hairs at the back of head, two mirrors facing each other are fixed on opposite walls at the front and back of the viewer.
- In solar heating devices such as a solar cooker, solar water heater, etc., a plane mirror is used to reflect the incident light rays from sun on the substance to be heated.
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संबंधित प्रश्न
What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.
Why is it difficult to read the image of the text of a page formed due to reflection by a plane mirror?
A man standing in front of a plane mirror finds his image at a distance 6 metre from himself. What is the distance of man from the mirror?
An optician while testing the eyes of a patient keeps a chart of letters 3 m behind the patient and asks him to see the letters on the image of chart formed in a plane mirror kept at distance 2 m in front of him. At what distance is the chart seen by the patient?
How many images are formed for a point object kept in between two plane mirrors at right angles to each other? Show them by drawing a ray diagram.
Two plane mirrors are arranged parallel and facing each other at some separation. How many images are formed for a point object kept in between them? Show the formation of images with the help of a ray diagram
An object is placed (i) asymmetrically (ii) symmetrically, between two plane mirrors inclined at an angle of 50°. Find the number of images formed.
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at right angles to each other.
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at facing each other.
