Explain what is the difference between diffraction and interference?
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How is sound produced?
a person carrying a bucket of water will leans towards his left why?
why we need complex no. in physical world?
Distinguish between emission and absorption line spectra. : quantum physics
Explain the Solids ?
how many neutrons and how many protons are present in a single deuterium nucleus?
Why ate the air passengers requested to see that their fountains pen Are not completely filled ?
Tell me what is pascal s principle?
How is radiation emitted from the body?
Explain the use of galvanometer?
What is the general term for the kind of material usually placed between the conducting plates of a capacitor?
Why gave we to put back the clock continually, when we travel round the world west-wards ?