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An object is placed at the focus of a co...

An object is placed at the focus of a concave lens. Where will be image ?

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At infinity
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LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
  1. Where should an object be placed in front of the mirror so as to obtai...

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  2. Where should an object be held so that a concave mirror forms a real, ...

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  3. An object is placed at the focus of a concave lens. Where will be imag...

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  4. Where is the image formed when an object is at large distance from a c...

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  5. For what position of an object, a real and diminished image is formed ...

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  6. Copy this figure in your answer book and show the direction of the lig...

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  7. Draw Fig. in your answer book and show the formation of image with the...

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  8. Draw Fig. in your answer book and show the formation of image with the...

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  9. Which type of mirror could be used as a dentist's mirror ?

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  10. The mirror used for the head light of a car is

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  11. Explain why, a ray of light passing through the centre of curvature of...

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  12. What is the minimum number of rays required for locating the image for...

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  13. With the help of a ray diagram, determine the position, nature and siz...

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  14. Describe with the help of a diagram, the nature, size and psition of t...

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  15. If and object is placed at a distance of 8 cm from a concave mirror of...

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  16. Draw a raydiagram showing how a concave mirror can be used to produce ...

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  17. Which mirror is used as a toch reflector ? Draw a labelled diagram to ...

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  18. State where an object must be placed so that the image formed by a con...

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  19. With the help of a labelled ray diagram, describe how a converging mir...

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  20. Make lablled ray diagrams to ollustrate the formation of : (a) a re...

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