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If we need a magnification...

If we need a magnification

A

2 mm

B

33 mm

C

22 mm

D

12 mm

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TARGET PUBLICATION-OPTICS-EXERCISE
  1. A convex lens of focal length 12.5 cm is used as a simple microscope. ...

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  2. In compound microscope, the focal length and aperture of the objective...

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  3. If we need a magnification

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  4. A compound microscope consist of an objective of focal length 1.0 cm a...

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  5. If the focal length of objective lens is increased then magnifying pow...

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  6. An observer looks at a distant tree of height 10 m with a telescope of...

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  7. An astronomical telescope has objective and eyepiece of focal length 4...

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  8. A telescope using an eye piece of focal length 3 cm has a magnificatio...

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  9. In an astronomical telescope in normal adjustment, a straight black li...

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  10. The angle of a prism is A . One of its refracting surfaces is silvered...

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  11. The refractive index of the material of a prism is sqrt2 and the angle...

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  12. In figure, the optical fibre is l = 2 m long and has a diameter of d ...

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  13. An upright object is placed at a distance of 40 cm in front of a conve...

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  14. If the critical angle for total internal reflection from a medium to v...

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  15. A point object is placed on the axis of a thin convex lens of focal le...

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  16. A convex lens is put 10 cm from a light source and it makes a sharp im...

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  17. when a glass prism of refracting angle 60^(@) is immersed in a liquid...

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  18. A beam of light consisting of red, green and blue colours is incident ...

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  19. A ray falls on a prism ABC (AB = BC ) and travels are shown in the fig...

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  20. A point source is placed at co-ordinates (0, 1) in X-Y plane. A ray of...

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