What do you mean by diffraction and what is/are the proper condition/conditions for it?

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I observed this question to be asked in many exams - We cannot move even a finger without disturbing all the stars?Explain it.

1 Answers   Google,

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Explain about Binocular?

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When a glass cylinder is filled with water and a piece of thick paper is placed at the mouth and the cylinder is inverted, the paper dies not fall. Why ?

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What do you know about the Colour photography?

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explanation about cdma and is working process

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Explain the Stress ?

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What are the applications of schrödinger wave equations? : quantum physics

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WHICH ONE FEELS COLDER METAL SURFACES OR WOODEN SURFACES?

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battery of 180 AMP HOUR”

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How much should be the minimum size of the ordinary mirror, so that and observer standing at the centre of room is able to see the whole of the height of the wall behind him ?

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Explain the steps to the scientific notation?

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