Answer Posted / ajay kumar

coins

How we are getting light from electrical bulb?

1002

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What is black body? : quantum physics

903

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How does laser printer works?

966

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When gravity is the only force acting on an object the object is in what?

1089

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What is the opaque?

942

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a bullet of mass m travelling at velocity v has a kinetic energy of ½mv2 when it strikes a ballistic pendulum of mass 1000 grams. The kinetic energy of the twomasses moving together just after the moment of impact is about a thousand times smaller than ½mv2. What has most of the bullets initial kinetic energy beenconverted to?

957

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What is refraction of light?

1183

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Tell me why does a tilted gyroscope not fall?

890

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heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?

992

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Explain what is the transparent?

961

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assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?

922

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Explain how do you separate hydrogen and oxygen gases in industrial electrolysis of water process?

945

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What is different between secondary electron image and back scattered electron image?

964

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What are the characteristics of a musical sound?

942

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What is free fall acceleration?

1091

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