What is H1N1?
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why is n-type conducter is neutral?
why current is denoted by I?
Explain radio telescopes?
Explain the Wet and Dry Hygrometer ?
What is a Pressure ?
egg or hen which came first
How about the particle-wave duality? : quantum physics
For measuring weight of 2cm3 piece of density 4gm/cm3 which spring balance is best suited what is the range and least count how we calculate
Why ate some clocks slow in summer and fast in winter ?
Explain the Transparent ?
What is supersonic?
Explain what is the rectilinear propagation of light?