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An object is placed (i) asymmetrically (...

An object is placed (i) asymmetrically (ii) symmetrically, between two plane mirrors inclined at an angle of `50^@`. Find the number of images formed.

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Angle between the mirrors , `theta=50^@`
`n=360^@//50^@ = 7.2 approx 7` , which is odd.
(i)When placed asymmetrically,
So, number of images = 7
(ii) When placed symmetrically ,
So, number of images = 7-1 = 6.
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ICSE-LIGHT-TOPIC 1 Reflections of Light (3 Marks Questions )
  1. Draw a ray diagram showing the formation of image of a point object by...

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  2. Write three characteristics of the image formed by a plane mirror.

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  3. In a dark room, a parallel beam of light falls on a plane mirror and ...

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  4. An optician while testing the eyes of a patient keeps a charge of lett...

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  5. Fig. shows an incident ray AO and the normal ON on a plane mirror. Th...

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  6. Fig. shows an incident ray AO and the normal ON on a plane mirror. Th...

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  7. Fig. shows an incident ray AO and the normal ON on a plane mirror. Th...

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  8. The diagram shows a point object P in front of a plane mirror MM^1. ...

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  9. The diagram shows a point object P in front of a plane mirror MM^1. ...

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  10. The diagram shows a point object P in front of a plane mirror MM^1. ...

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  11. The diagram below in fig shows an object XY in front of a plane mirror...

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  12. Write three characteristics of the image formed by a plane mirror?

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  13. How is the position of an image related to the position of the object...

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  14. Two plane mirrors are placed making an angle theta in between them. W...

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  15. State the number of images of an object placed between two mirrors, fo...

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  16. State the number of images of an object placed between two mirrors, fo...

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  17. Two plane mirrors are placed making an angle theta^@ in between them....

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  18. An object is placed (i) asymmetrically (ii) symmetrically, between two...

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  19. State two uses of a plane mirror.

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