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Why does the colour of a material look differently in sunlight that than in the electrical-lamp
1 3312A bird sitting on a naked wire carrying current feels quite safe, but when the wire between his feet is cut and joined by a very long loop of wire, the bird dies. Why?
2 5062Why is the earth not used as a return wire in a telephone system, while it is dine so in case of telegraph system.
1 3182Post New General Physics Questions
Explain how do you separate hydrogen and oxygen gases in industrial electrolysis of water process?
A color made from the addition of two primary colors is called:
what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?
Explain how many femtometers are in a nanometer?
What are the steps to the scientific notation?
What is the effect of using two converging lenses in one optical instrument?
Name the element which has the simplest absorption spectrum?
what is meant patch cards..
Graph between frequency of photon and velocity of photo electron?
why the ammeter and voltmeter has a circle representation
How do you magnetize metal?
When the sound intensity is above 120 decibel, what happen to human ears?
What is the difference between collector & emitter of transistor, even though material used for both same?
What happens to the velocity of sound with the rise of temperature?
Tell me what path does an asteroid take?
