Physics Sound waves cannot travel through Liquid Vacuum Solid Gas Liquid Vacuum Solid Gas ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? 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 product of speed of light in medium and 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 ratio of speed of light in the medium to the speed of light in vacuum. None of above 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 vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics The cooling by a desert Cooler is based on: Air Rehydration Hot air replacement Evaporative Cooling Air dehydration Air Rehydration Hot air replacement Evaporative Cooling Air dehydration ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it more durable To reduce heat loss by radiation To make it smooth and frictionless To make it rust-proof To make it more durable To reduce heat loss by radiation To make it smooth and frictionless To make it rust-proof ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of spacecraft sound aircraft ships spacecraft sound aircraft ships ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Depends on the impurities in the ice Decreases Increases Does not change Depends on the impurities in the ice Decreases Increases Does not change ANSWER DOWNLOAD EXAMIANS APP