Answer Posted / bob

First, no 'object' with rest mass can travel at the speed of
light. Light travels at the speed of light. It is either
absorbed or reflected in some fashion.

What is ultrasonic sound?

1036

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X-Ray is avoided by using ?

1021

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What is the physical significance of biot numbers?

1103

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How much oxygen is in the atmosphere?

972

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1.when a diode has its maximum resistance? 2.is ohm's applicable for an ac circuit?  

1839

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Sir. I m a physics graduate ...how can i help in bank with my physics subject...kindly reply ...my id. Pshkumar.090@gmail.com...please

2046

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For projectiles fired at identical speeds but various angles from the ground, neglecting air resistance and the curvature of the earth, at what angle will the maximumhorizontal distance be attained?

909

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In the 19th century, this scottish scientist showed that all magnetic and all electric phenomena could be described by four equations that often bear his name. What ishis name?

1047

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

2297

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How we are getting light from electrical bulb?

1021

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Can a vector have a component equal to zero and still have a nonzero magnitude?

932

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What is sound?

1014

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assuming g = 9.8 m/sec2, what is the weight on earth, in newtons, of a 60 kilogram person?

1147

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What is the difference between a lens and a mirror?

1104

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Explain the name for the physical constant with a value of 6.62 x 10-27 erg seconds?

953

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