Explain what is time?
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explian construction and working of various dye lasers
Why do you not collapse under the pressure created by the atmosphere?
What affect does electricity have on soil?
Define weight?
Why does a semicondctor act as an insulator at 0'k and why its conductivity increases with increasing temperature?
i need the working and properties of the sextent and all the objects and much more about sextent..
Why us the height of mercury column unaffected by the difference in the value of gravity at the same place?
Explain about Cosmic rays?
Explain the characteristics of dead stars?
What is meant by refraction of a wave?
How many protons are present in a single deuterium nucleus?
Describe the Periscope?