Tell me what is radium used for?
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Explain about Sanitation
laser is an acronym for light amplification by
Why ”quantum physics” is named as it is? : quantum physics
By which formula, the values in one thermometer can be converted into that of another thermometer ?
What is meant by 4th dimension?
a ball of mass 500g moving with a velocity of 10m/s collides with another ball of mass 250g.after the impact,the second ball moved off with a velocity of 8m/s calculate the final velocity of the first ball.
What is Oxidation ?
Explain the Strain ?
Why gave we to put back the clock continually, when we travel round the world west-wards ?
graph between frequency of photon and velocity of photo elrectron?
How do you find the refractive index of a liquid by using total internal reflection?
What forces support an airplane in flight?