Physics
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

LUV < lIR < lVIS
LUV < lVIS < lIR
LUV > lIR > lVIS
LUV > lVIS > lIR

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Physics
Which of the following is not a property of heavy water ?

Density of heavy water is higher than that of ordinary water
Freezing point of heavy water is higher than that of ordinary water
It produces corrosion
Boiling point of heavy water is lower than that or ordinary water

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