Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Air, water and iron Iron, air and water Water, iron and air Iron, water and air Air, water and iron Iron, air and water Water, iron and air Iron, water and air ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The greenhouse effect The good conducting power of the metal body The double layered wind shield The heat emitted by the engine The greenhouse effect The good conducting power of the metal body The double layered wind shield The heat emitted by the engine ANSWER DOWNLOAD EXAMIANS APP
Physics Pressure Cooker cooks faster because The material of the cooker is a good conductor It cooks the food at low pressure Boiling point decreases with rise of pressure Higher temperature is attained for cooking The material of the cooker is a good conductor It cooks the food at low pressure Boiling point decreases with rise of pressure Higher temperature is attained for cooking ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 2.0958333333333 0.21041666666667 0.12847222222222 1.0479166666667 2.0958333333333 0.21041666666667 0.12847222222222 1.0479166666667 ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of temperature? Celsius Joule Kelvin Fahrenheit Celsius Joule Kelvin Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
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