Explain about Vacuum Pump?

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Explain the cause of brownian motion?

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What is L.D.R(light dependent resistor)

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I observed this question to be asked in many exams - We cannot move even a finger without disturbing all the stars?Explain it.

1 Answers   Google,

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Why dies the earth move round the sun, and the moon round the earth ?

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Explain the thermal transformation?

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What is the role of transformer in a rectifier?

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i need the working and properties of the sextent and all the objects and much more about sextent..

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Explain planck’s hypothesis or what the postulates of planck’s quantum theory? (Or) what are the assumptions of quantum theory of black body radiation? : quantum physics

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A coil consisting of 200 turns of wire has its ends connected to a circuit such that the total resistance of the coil and the circuit is 2.0 ohm. There is no source of e.m.f. in the circuit. Each turn of the coil is a square of side 18 cm, and a uniform magnetic field directed perpendicular to the plane of the coil is turned on. If the field changes linearly from 0 to 0.5 T in 0.8 s, what is the magnitude of the current in the coil while the field is changing?

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Explain the Work, Power and Energy ?

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Explain what instrument is used to measure volume?

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