Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Dispersion Reflection Diffraction Interference Dispersion Reflection Diffraction Interference 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 > lIR > lVIS LUV > lVIS > lIR LUV < lIR < lVIS LUV < lVIS < lIR LUV > lIR > lVIS LUV > lVIS > lIR LUV < lIR < lVIS LUV < lVIS < lIR ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A ramp The pulley A pair of scissors A lever A ramp The pulley A pair of scissors A lever ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? Radio waves Microwaves Cosmic rays X-rays Radio waves Microwaves Cosmic rays X-rays ANSWER DOWNLOAD EXAMIANS APP
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