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When a glass prism is placed inside wate...

When a glass prism is placed inside water,its dispersive power

A

decreases

B

increases

C

remains the same

D

may increase or decrease depending on the angle of prism

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A narrow beam fo white ligth passes throuugh a glass slab havig paral...

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  2. Refractive indices of a prism material for two wavelengths are 1.66 an...

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  3. When a glass prism is placed inside water,its dispersive power

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  4. During dispersion of white light by prism placed in air,

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  5. The figure shows the view through the eye-piece of a prism spectromete...

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  6. One cannot see through fog, because:

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  7. The sky would appear red instead of blue,if

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  8. What is the cause of formation of a rainbow?

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  9. Which fo the following statement is correct? (i)Line spectra is chrara...

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  10. Fraunhofer spectrum is a

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  11. In which one of the following regions of teh electromagnetic spectrm w...

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  12. In case of lens,which of the following quantities depend on the wavele...

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  13. A converging achromat lens is to be made by placeing two lenese in con...

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  14. A combination is made of two lenses of focal lengths f and f' and disp...

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  15. When we see an object,the image formed on the retina is

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  16. The focal length of the normal eye-lens is approximaterly

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  17. The distances of the human eye-lens from the retina is x.For a normal ...

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  18. Why is a normal eye not able to see clearly the objects placed closer ...

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  19. When we view objects lying at differnt distances from the eye,which fo...

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  20. Draw a ray diagram to show the image formation by a simple microscope....

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