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A simple microscope has a focal length o...

A simple microscope has a focal length of `5 cm` . The magnification at the least distince of distinct vision is-

A

1

B

5

C

4

D

6

Text Solution

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The correct Answer is:
D
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RESONANCE ENGLISH-PART TEST 4-Exercise
  1. A ray of light falls on a transparent sphere with centre at C as shown...

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  2. A light waves travels from glass to water. The refractive index for gl...

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  3. A simple microscope has a focal length of 5 cm . The magnification at...

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  4. Refractive index of water is 5//3. A light source is placed in water a...

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  5. A boy is trying to start a fire by focusing Sunlight on a piece of pap...

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  6. A convex lens is made up of three different materials as shown in the ...

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  7. Which of the following diagrams shows correctly the dispersion of whit...

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  8. In a Fresnel biprism experiment the two positions of lens give separat...

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  9. In a compound microscope, the intermediate image is

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  10. The angular dispersion produced by a prism

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  11. A cylinderical optical fibre (quarter circular shape) of refractive i...

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  12. A light is incident on face AB of an equilateral glass prism ABC. Afte...

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  13. A ray hits the y-axis making an angle theta with y-axis as shown in th...

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  14. An isosceles trapezium of reflecting material of refractive index sqrt...

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  15. A triangular medium has varying refracting index n = n(0) + ax, where ...

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  16. An object AB is placed parallel and close to the optical axis between ...

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  17. A ray of light travelling in a transparent medium falls on a surface s...

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  18. Young's double-slit experiment is conducted in water (mu(1)) as shown ...

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  19. Two coherent monochromatic light beams of intensities I and 4I are sup...

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  20. If yellow light emitted by sodium lamp in Young's double - slit - expe...

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