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Which of the following graphs is the mag...

Which of the following graphs is the magnification of a real image against the distance from the focus of a concave mirrorr ?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D

`m=-(v)/(u)=-((f)/(u-f))`, here `(u-f)=x`
`m=-(f)/(x),|m|=(f)/(x),|m|prop(1)/(x)`
Graph is rectangular hyperbola
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CP SINGH-REFLECTION OF LIGHT-EXERCISES
  1. A square wire of side 3.0 cm is placed 25 cm away from a concave mirro...

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  2. For a concave mirror the magnificant of a real image was found to be t...

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  3. A concave mirror forms a real image three times larger than the object...

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  4. The sun subtends an angle half a degree at the pole of a concave mirro...

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  5. A thin rod of length (f/3) is lying along the principal axis of a conc...

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  6. A short linear object of length b lies along the axis of a concave mir...

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  7. A piece of wire bent into an L shape with upright and horizontal porti...

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  8. A cube of side 2m is placed in front of a concave mirrorr of focal len...

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  9. The firld of view is maximum for

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  10. A convex mirror of length 1m and a plane mirror are facing each other,...

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  11. An object is placed in front of a convex mirror at a distance of 50cm....

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  12. A convex mirror and a concave mirror of radius 10cm each are placed 15...

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  13. A car is fitted with a convex side-view mirror of focal length 20 cm. ...

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  14. An object is moving towards a concave mirror of focal length 24 cm. Wh...

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  15. For a concave mirrorr, if real image is formed the graph between (1)/(...

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  16. Which of the following graphs is the magnification of a real image aga...

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  17. The graph shows variation of v with change in u for a mirrorr. Points ...

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  18. As the position of an object (u) reflected from a concave mirrorr is v...

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  19. The graph between u and v for a convex mirrorr is

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  20. A light ray travelling parallel to the principal axis of a concave mir...

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