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What is lateral inversion? Explain by giving a suitable example.
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Write the word AMBULANCE as it would appear when reflected in a plane mirror. Why is it sometimes written in this way (as its mirror image) on the front of an ambulance?
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What are the important differences between looking at a photograph of your face and looking at yourself in a plane mirror?
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A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light?
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Which type of reflection of light leads to the formation of images?
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What is the difference between regular reflection of light and diffuse reflection of light?
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What type of reflection of light takes place from a cinema screen?
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A boy with a mouth 5 cm wide stands 2 m away from a plane mirror. Where is his image and how wide is the image of his mouth?
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The boy walks towards the mirror at a speed of 1 m/s. At what speed does his image approach him?
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An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.
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State the uses of plane mirrors.
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What is meant by 'reflection of light'?
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Define the following terms used in the study of reflection of light by drawing a labelled ray-diagram:
(a) Incident ray
(b) Point of incidence
(c) Normal
(d) Reflected ray
(e) Angle of incidence
(f) Angle of reflection
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State and explain the laws of reflection of light at a plane surface (like a plane mirror), With the help of a labelled ray-diagram. Mark the angles of 'incidence' and 'reflection' clearly on the diagram. If the angle of reflection is 47.5°, what will be the angle of incidence?
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With the help of a labelled ray-diagram, describe how a plane mirror forms an image of a point source of light placed in front of it. State the characteristics of the image formed in a plane mirror.
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Explain why, though both a plane mirror and a sheet of paper reflect light but we can see the image of our face in a plane mirror but not in a sheet of paper.
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The image in a plane mirror is virtual and laterally inverted. What does this statement mean?
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Write all the capital letters of the alphabet which look the same in a plane mirror.
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The angle of reflection is equal to the angle of incidence:
(a) always
(b) sometimes
(c) under special conditions
(d) never
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The image of an object formed by a plane mirror is:
(a) virtual
(b) real
(c) diminished
(d) upside-down
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