Physics Lakes freeze in cold countries in winter, leaving the water underneath at 0°C 4°F 0°F 4°C 0°C 4°F 0°F 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Temperature Density Pressure Humidity Temperature Density Pressure Humidity ANSWER DOWNLOAD EXAMIANS APP
Physics Newton's first law of motion gives the concept of Inertia Energy Work Momentum Inertia Energy Work Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Chromosphere Stratosphere Troposphere Ionosphere Chromosphere Stratosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold The surface of ice is smooth 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 Ice is cold The surface of ice is smooth The pressure on the ice due to skate raises its melting point ANSWER DOWNLOAD EXAMIANS APP
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