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प्रश्न
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उत्तर
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संबंधित प्रश्न
Draw a diagram to show the reflection of a light ray incident normally on a plane mirror.
An insect is sitting in front of a plane mirror at a distance 1 m from it.
(a) Where is the image of the insect formed?
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.
A ray of light strikes a plane mirror, such that the angle with the mirror is 20°. What is the value of angle of reflection? What is the angle between the incident ray and the reflected ray?
Prove experimentally that images are formed as far behind in a plane mirror as the object is in front of it.
(a) What do you understand by the term lateral inversion?
(b) A printed card has letters PHYSICS. By drawing the diagram show the appearance of the letters. (No ray diagram is required).
Calculate the number of images formed in two plane mirrors, when they are held at the angle of (i) 72° (ii) 36°.
What should be the minimum size of a plane mirror, so that a person 182 cm high can see himself completely?
