What is the index of refraction of air?
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Why does a semicondctor act as an insulator at 0'k and why its conductivity increases with increasing temperature?
What is the Electric motor ?
Write Boyle’s law ?
What is a Compound ?
Describe the Sphygmanometer?
In any current connection there are two wires one is phase and another is neutral, what is the use of neutral wire?
What is soda water ?
Graph between frequency of photon and velocity of photo electron?
Explain diffraction?
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Tell me why is n-type conductor is neutral?
What is the proper formula used to calculate acceleration?