Explain what is the measure of the force of gravity on an object?
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What is the difference between free electron theory and band theory of solids?
A 100W bulb and 60 bulb both rated at 220V are connected in series across 220V supply. If 60W bulb is removed and only 100W bulb remains in the circuit, will illumination increase or decrease?
Explain virtual image?
Explain the Amphoteric ?
In Einstein's mass energy relation E=mc2 why velocity of light is used and never ordinary velocities?what is the exact explanation?
Which is the sound wave that is below the human hearing?
A car traveling at 30mph ( =13.4 m/s) & it slams on its brakes. ( The car is decelerated by the force of the friction 0.7..f *distance x. (Weight=mg) how far will the cargo before it stops?
Define Young’s modulus?
Tell me what is ion pair energy?
Explain what is relation between magnetic and electricity and why?
Why is water in kept in ?gharas? in summer ?
What is the advantage of fixed pulley?