Vibrations and waves questions | form five Physics

(5734) Question Category: Short answers

What is meant by crossed polaroids?

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(5735) Question Category: Short answers

Briefly describe the appearance of fringes produced by monochromatic light.

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(5736) Question Category: Short answers

Give two difference between diffracting grating spectra and prism spectra.

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(5737) Question Category: Mathematical Calculation

A diffraction grating used at normal incidence gives a yellow line, lambda =5750AA in a certain spectral order superimposed on a blue, lambda =4600AA of the next higher order. If the angle of diffraction is 30o. What is the spacing between the grating lines?.

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(5738) Question Category: Short answers

State the Huygens principle of wave construction.

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