Physics What is refractive index ? 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. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics The force that keeps a body in a circular motion called The centripetal force The centrifugual force All listed here The frictional force The centripetal force The centrifugual force All listed here The frictional force ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 12 50 24 36 12 50 24 36 ANSWER DOWNLOAD EXAMIANS APP
Physics 'Therm' is the unit of Light Heat Power Distance Light Heat Power Distance ANSWER DOWNLOAD EXAMIANS APP
Physics A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because The stone conveys the heat away from the feet more rapidly than the carpet The carpet is a better conductor of heat than the stone The human body maintains a constant temperature The floor and carpet are at different temperatures The stone conveys the heat away from the feet more rapidly than the carpet The carpet is a better conductor of heat than the stone The human body maintains a constant temperature The floor and carpet are at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics The wave theory of light can explain Photoelectric effect Comptom effect Black body spectrum Interference of light Photoelectric effect Comptom effect Black body spectrum Interference of light ANSWER DOWNLOAD EXAMIANS APP