Answer Posted / ankita

graph is a straight line having a positive intercept with
the x axis.the intercept is the threshold frequency.

Is their any rule in significant figures that maximum number of significant figures in a number are 5

1969

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What is radium used for?

960

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

928

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How much oxygen is in the atmosphere?

923

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Why have the electron and the proton the same charge whereas the proton is 1836 times heavier?

1091

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How about the particle-wave duality? : quantum physics

882

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What is the index of refraction of air?

954

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What is the musical sound?

1105

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Explain what is the opaque?

979

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Explain the difference between dynamic strain aging and strain aging?

902

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What is the principle on which sitar and violin are based?

1035

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What is centrifugal force?

938

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When a radar gun says the pitch is 90 miles per hour at what point in the balls travel to home plate is the radar gun measuring the velocity?

932

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What is a neutron?

934

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Explain how many more times louder is 70 decibels than 10 decibels?

857

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