Answer / shane alam

Relative humidity :-It is the ratio of the mass of water vapour actually present in a given volume of air to the mass of the water vapour required to saturate the same volume of air at the same temperature

What is Variable Velocity ?

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Which of the surfaces of a thermos flask are silvered and why?

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The magnitude of electrostatic force between two identical positive ions that are separated by a distance of 5.0 x 10– 10 m is 3.7 x 10–9 N. (a) What is the charge of each ion? (b) How many electrons are “missing” from each ion?

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How does the towel dry out hands ?

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Explain about Barometer?

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Explain what is the measure of the force of gravity on an object?

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Explain the Opaque ?

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When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such that it acts a) In the backward direction on the front wheel and in the forward direction on the rear wheel. (b) In the forward direction on the front wheel and in the backward direction on the rear wheel. (c) In the backward direction on both the front and rear wheels. (d) In the backward direction on both the front and rear wheels.

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What are the applications of nmr spectroscopy?

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What do you know about the Colour photography?

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Explain the cause of brownian motion?

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Explain the Stress ?

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