How does laser printer works?
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What is the difference between free electron theory and band theory of solids?
Why does the moon shine, evening though it has not light of its own ?
i am a student of 10th class ,i like science and maths but i score bad in maths.wat shud i take in future...commerce or science?
Distinguish between emission and absorption line spectra. : quantum physics
What is the law of machines?
How does barometer forecast the weather ?
Explain the Welding ?
What is the difference between the atomic theory and the kinetic theory?
What is the smallest size of plane mirror in which a man can see his fill image length ?
Does water drain counterclockwise in the northern hemisphere and clockwise in the southern hemisphere?
Which lens is used for correcting long ?sightedness ?
What are the characteristics of a musical sound?