Question and Answers Forum
Properties of MatterQuestion and Answers: Page 1
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Question and Answers Forum |
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Properties of MatterQuestion and Answers: Page 1 |
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| Is the Light a matter? |
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| is light a matter? |
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| An astromer finds a new absorption line with λ=164.1nm in the ultraviolet region of the sun′s continuous spectrum. He attributes the line to hydrogen′s Layman series. Is he right? Justify your answer. please help. |
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| A 2kg is attached to the end of a vertical wire of length 2m with a diameter of 0.64mm and having an extension of 0.60m.Calculate the tensile strain on the wire(take g=9.8) |
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| An iceberg is floating in sea water. The density of ice is 0.92g/cm^3 and that of sea water is 1.02g/cm^3 . What % of ice will be below the water? |
| A cuboid block is floating in a liquid with half of its volume immersed in the liquid.When the whole system accelerates upwards with an acceleration of g/3 . The fraction of volume immersed in the liquid will be a)1/2 b)3/8 c)2/3 d)3/4 please help |
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| For the model of a plane in a wind tunnel, turbulence occurs at a ........ speed for turbulence for an actual plane (greater/smaller). |
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