Physics Which of the following principle is used to produce ''low-temperatures' ? Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of different colours of light in a prism is : Disperson of light Reflection of light Refraction of light Diffraction of light Disperson of light Reflection of light Refraction of light Diffraction of light ANSWER DOWNLOAD EXAMIANS APP
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 > lVIS > lIR LUV < lIR < lVIS LUV > lIR > lVIS LUV < lVIS < lIR LUV > lVIS > lIR LUV < lIR < lVIS LUV > lIR > lVIS LUV < lVIS < lIR ANSWER DOWNLOAD EXAMIANS APP
Physics In a optical fibre cable, the signal is propagated along the Surface and cladding Inner Core Both core and cladding Cladding Surface and cladding Inner Core Both core and cladding Cladding ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic machines work under the Principle of : Pascal's Law Newton's Law Joules Law Floatation Law Pascal's Law Newton's Law Joules Law Floatation Law ANSWER DOWNLOAD EXAMIANS APP
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