Physics What is refractive index ? None of above 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 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. None of above 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 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. ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Photoelectrons Electrons Photons Protons Photoelectrons Electrons Photons Protons ANSWER DOWNLOAD EXAMIANS APP
Physics Tensional forces normally cause which one of the following? Normal faults Reverse faults Strike-slip faults Thrust faults Normal faults Reverse faults Strike-slip faults Thrust faults ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Combined effect of all the above three Contraction of water pipes High atmospheric pressure Water expands on freezing Combined effect of all the above three Contraction of water pipes High atmospheric pressure Water expands on freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) Weighing will depend on their masses Both silver and gold pieces weigh equal The silver piece will weigh more The gold piece will weigh more Weighing will depend on their masses Both silver and gold pieces weigh equal The silver piece will weigh more The gold piece will weigh more ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Filament Cells Circuit Element Filament Cells Circuit Element ANSWER DOWNLOAD EXAMIANS APP
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