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An Object is placed at a distance of 90 ...

An Object is placed at a distance of 90 cm from a screen. To cast an image of magnification 2 on the screen, what type of spherical mirror is required ? Determine the position of the mirror and its focal length.

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The correct Answer is:
concave mirror, 90 cm, 60 cm
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CHHAYA PUBLICATION-REFLECTION OF LIGHT-HOTS NUMERICAL PROBLEMS
  1. An Object is placed at a distance of 90 cm from a screen. To cast an i...

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  2. An object is placed in front of a concave mirror, a three times magnif...

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  3. A concave mirror forms a real image of height twice the size of the ob...

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  4. A concave mirror forms an image of an object, magnified 4 times. When ...

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  5. An object is placed at a distance of 36 cm in front of a convex mirror...

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  6. A convex mirror of radius of curvature 70 cm and a plane mirror are pl...

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  7. An object is placed exactly mid-way between a concave mirror and a con...

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  8. A concave mirror of focal length 36 cm and a convex mirror of focal le...

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  9. The image of an object at a distance of 40 cm from a convex mirror is ...

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  10. A point source of light is placed at the midpoint of two concave mirro...

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  11. The reflecting surfaces of a concave mirror and a convex mirror are se...

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  12. A perticular spherical mirror forms images of the same size when the o...

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  13. An objects is placed in front of a concave mirror. The mirror forms an...

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  14. Two spherical mirrors, one concave and other convex are placed coaxial...

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  15. A point object O is placed on the axis of a concave mirror of radius o...

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  16. Image of an object apporoaching a convex mirror of radius of curvature...

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  17. A short linear object of length L lies on the axis of a spherical mirr...

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  18. A thin rod of length (f)/(3) is placed along the principal axis of a c...

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