Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°C 0°C 0°F 4°F 4°C 0°C 0°F 4°F ANSWER DOWNLOAD EXAMIANS APP
Physics At hill stations, the boiling point of water will be More than that at sea level Less than that at sea level Equal to the melting point of ice Same as at sea level More than that at sea level Less than that at sea level Equal to the melting point of ice Same as at sea level ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The surface of ice is smooth Ice is cold The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth Ice is cold The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Cylindrical mirror Convex mirror Plane mirror Concave mirror Cylindrical mirror Convex mirror Plane mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics In which form is the supplied heat energy stored during change in temperature of substance? Kinetic energy Heat energy Potential energy Both kinetic and potential energy Kinetic energy Heat energy Potential energy Both kinetic and potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Source Medium Speed Amplitude Source Medium Speed Amplitude ANSWER DOWNLOAD EXAMIANS APP