Physics A water tank appears shallower when it is viewed from top due to Reflection Rectilinear propagation of light Refraction Total internal reflection Reflection Rectilinear propagation of light Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. None of above ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Watt per kelvin Joule per kelvin Newton per kelvin Pascal per kelvin Watt per kelvin Joule per kelvin Newton per kelvin Pascal per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be At the bottom At the top At the middle Can be anywhere At the bottom At the top At the middle Can be anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics Wollen clothes keep the body warm because Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool increases the temperature of the body Wool is a bad conductor Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool increases the temperature of the body Wool is a bad conductor ANSWER DOWNLOAD EXAMIANS APP
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