Physics What is the reason for twinkling of stars ? Dispersion of light Atmospheric refraction Atmospheric reflection Total internal reflection Dispersion of light Atmospheric refraction Atmospheric reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by The battery An electrical spark Compressing air in the cylinders Using heat from exhaust The battery An electrical spark Compressing air in the cylinders Using heat from exhaust ANSWER DOWNLOAD EXAMIANS APP
Physics Water from soil enters into the root hairs owing to : Osmotic pressure Root pressure Atmospheric pressure Capillary pressure Osmotic pressure Root pressure Atmospheric pressure Capillary pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Mud houses are cooler in summers and warmer in winters as compared to brick houses because Mud is a bad conductor Mud is a poor insulator Mud is a good conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a bad conductor Mud is a poor insulator Mud is a good conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters ANSWER DOWNLOAD EXAMIANS APP
Physics Frictional force acts in Upward direction The opposite direction of the motion The same direction as the motion All the directions Upward direction The opposite direction of the motion The same direction as the motion All the directions ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because None of these the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS