Physics What is refractive index ? 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 product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light 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 product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics The rice is cooked more quickly in a pressure cooker because It is covered. Less quantity of water is used. Water boils at a higher temperature under pressure. None of these It is covered. Less quantity of water is used. Water boils at a higher temperature under pressure. None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Radio waves Infrared rays Microwaves Gamma rays Radio waves Infrared rays Microwaves Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Plano-concave None of these Concave Convex Plano-concave None of these Concave Convex ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically A transformer A capacitor An inductor A resistor A transformer A capacitor An inductor A resistor ANSWER DOWNLOAD EXAMIANS APP
Physics Bubbles of air rise up through liquids due to Viscosity and buoyancy Up thrust and surface tension Air current over the liquid and buoyancy Surface tension and adherence Viscosity and buoyancy Up thrust and surface tension Air current over the liquid and buoyancy Surface tension and adherence ANSWER DOWNLOAD EXAMIANS APP
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