Physics A mirage occurs because of Reflection by hot ground Total internal reflection by layers of air Interference of light Diffraction of light Reflection by hot ground Total internal reflection by layers of air Interference of light Diffraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of calorimetry Principle of vaporization Principle of colors Principle of thermal equilibrium Principle of calorimetry Principle of vaporization Principle of colors Principle of thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? These make work easier Both A & B Work input > work output None of these These make work easier Both A & B Work input > work output None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In AC circuits, AC meters measure Mean values Peak values Mean square values Rms values Mean values Peak values Mean square values Rms values ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Latent heat of vaporization of water decreases Boiling point of water increases Boiling point of water decreases Latent heat of vaporization of water increases Latent heat of vaporization of water decreases Boiling point of water increases Boiling point of water decreases Latent heat of vaporization of water increases ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it Increases No change Becomes zero Decreases Increases No change Becomes zero Decreases ANSWER DOWNLOAD EXAMIANS APP
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