Physics Why does a cannon recoil after firing ? Newton's first law of motion Conservation of energy Newton's third law of motion Backward thrust of gases produced Newton's first law of motion Conservation of energy Newton's third law of motion Backward thrust of gases produced ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Lactometer Hygrometer Hydrometer Barometer Lactometer Hygrometer Hydrometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in Fahrenheit) pure water freezes? 37 32 48 37 32 48 ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The pressure of blood in capillaries is greater than the outside pressure The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The blood pressure fluctuates and finally decreases drastically The pressure of blood in capillaries is greater than the outside pressure The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The blood pressure fluctuates and finally decreases drastically ANSWER DOWNLOAD EXAMIANS APP
Physics In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? Ultraviolet X-ray Infrared Visible Ultraviolet X-ray Infrared Visible ANSWER DOWNLOAD EXAMIANS APP
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