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A light ray is reflected off a plane mirror at an angle of 25° from the normal.
A light ray from another source is reflected 54° from the normal.
What is the dissimilarity in the angles of incidence for the two light sources?
Spectrum and electromagnetic radiations: What is a spectrum? Ans: A spectrum is a group of wave lengths or frequencies. What are the electromagnetic radiations? Ans:
what is the physical significance of damping constent
The vapour pressure of a substance at 20.0 o C is 38.1 kPa and its enthalpy of vaporisation is 49.6 kJ mol -1 . Estimate the temperature at which its vapour pressure is 80.0 k
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