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A perosn using a lens as a simple micros...

A perosn using a lens as a simple microscope sees an

A

inverted virtua image.

B

inverted real image.

C

upright virtual image.

D

upright real magnified image.

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A person using a lens as a simple microscope sees an

For simple microscope to work,

A man with normal near- point (25c m) reads a book with small print using a magnifying glass L a thin convex lens of focal length 5 cm. (i) What is the closest and the farthest distance at which he can read the book when viewing thorugh the magnifying glass ? (ii) What is the maximum and the minimum angular magnification (magnifying power) possible using the above simple microscope ?

Answer the following questions : What does a simple microscope consist of ? What is the order of magnification obtained by a simple microscope ? What is a simple microscope used for ?

Answer the given question : When will you use a simple microscope and when, a compound microscope? Explain in detail how you will use them.

Fill in the blanks : A …………… lens is used as a simple microscope.

The magnifying power of simple microscope is

State whether the following statements are true or false : ( If a statement is false , correct it and rewrite it.) : A convex lens is used as a simple microscope.

Answer the following questions : With a neat labelled diagram , explain the working of a simple microscope . State uses of a simple microscope.

A convex lens of focal length 12.5 cm is used as a simple microscope. When the image is formed at infinite, magnification is _______ (Near point for the normal vision is 25 cm).

TARGET PUBLICATION-OPTICS-EXERCISE
  1. A convex lens of the short focal length held very close to the eye, to...

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  2. The magnifying power of simple microscope is

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  3. A perosn using a lens as a simple microscope sees an

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  4. The magnifying power of simple microscope, when image is formed at DDV...

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  5. Magnification of simple microscope when image is at infinity is given ...

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  6. The magnifying power of simple microscope is maximum when image is for...

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  7. When a convex lens of 2.5 cm focal length is used as a magnifying glas...

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  8. The compound microscope is used to see

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  9. Compound microscope is NOT used in

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  10. The focal length of the eye-piece of compound microscope is

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  11. In compound microscope, the intermediate image is

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  12. The length (L) of compound microscope when final image is formed at D....

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  13. When the final image is formed at infinity the magnifying power of com...

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  14. Which of the following is NOT an expression for magnifying power of co...

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  15. A compound microscope has a magnifying power of 35. Assume that the fi...

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  16. Relative difference of focal lengths of objective and eye lens in the ...

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  17. The object which are at large distance as compared to the focal lengt...

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  18. The number of lenses in a terrestrial telescope is

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  19. The objective of astronomical telescope has

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  20. In astronomcial telescop, which of the following statement is NOT appl...

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