Is the electric field constant or does it vary with time in
dielectric materials?
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What are the branches of physics?
Draw a graph between frequency of photon and velocity of photo electron?
Explain diffraction?
What is pascal s principle?
The Frequency is measured by _________ bridge ?
Explain what is density?
What is radium used for?
why the ammeter and voltmeter has a circle representation
assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?
What is sound?
Explain about Hydraulic brakes?
What is the difficulty in making fusion based nuclear reactors?