Physics Sound waves cannot travel in Hydrogen gas Glass Water Vacuum Hydrogen gas Glass Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because specific heat of mercury is less than water specific heat of mercury is more than water density of mercury is more than the water mercury has greater visibility than water specific heat of mercury is less than water specific heat of mercury is more than water density of mercury is more than the water mercury has greater visibility than water ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Remains constant Decreases and then remains constant Increases Decreases Remains constant Decreases and then remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Glass slab Convex lens Prism Concave lens Glass slab Convex lens Prism Concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels slowest in Glass Vacuum Water Air Glass Vacuum Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°F 0°C 4°C 0°F 4°F 0°C 4°C 0°F ANSWER DOWNLOAD EXAMIANS APP