Answer Posted / duguta suresh kumar

light is an electromagnetic radiation which lying in the
range of visible light frequency and wavelength(640nm--__)

Explain one advantage of a scanning electron microscope over a transmission electron microscope?

975

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What is sound?

1083

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Does a soccer ball go faster in the air on a cold or hot day?

1034

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What is the effeciency of solar cell (Current year)

2475

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Which way do twin screw props on a boat rotate when propelling the boat forward?

965

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For which type of waves is the principle of superposition valid?

996

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What is a newton meter?

1028

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Explain why does a tea kettle sing?

988

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Draw a graph between frequency of photon and velocity of photo electron?

943

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All elements with an atomic number greater than what number are unstable?

1111

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What are isotopes?

1227

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Why do you not collapse under the pressure created by the atmosphere?

1088

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What large machine, which came on line in the summer of 2000 at the department of energys brookhaven national lab, is the world's highest energy ion collider:

997

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What is a neutron?

1038

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One man driving his car over dark night on hard concrete stone road in a forest. His bad faith that his car pings with long ore needles of concrete henceforth his all 4 tyres got punctured. How he might have tackled his problem? please guess answers & post

1887

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