What do you mean by diffraction and what is/are the proper condition/conditions for it?
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the fundamental forces of nature are most correctly given as?
Tell me what is radium used for?
what is difference b/w scr &rectifier&mechanism of triac experiment
what are the passive two-wire elements?
Explain the Heat Engines ?
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What is the general term for the kind of material usually placed between the conducting plates of a capacitor?
Which element has the simplest absorption spectrum?
What is amplitude?
Dust is removed from a carpet, if we strike it with a stick, why ?
Explain the universal law of universal gravitation?
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