Physics Mach number is used in connection with the speed of spacecraft aircraft sound ships spacecraft aircraft sound ships ANSWER DOWNLOAD EXAMIANS APP
Physics The shape of our milky way galaxy is Circular None of these Spiral Elliptical Circular None of these Spiral Elliptical ANSWER DOWNLOAD EXAMIANS APP
Physics An aircraft can perform aerobatic manoeuvres in a vertical loop because of Gravity Centripetal force Centrifugal force Weight Gravity Centripetal force Centrifugal force Weight ANSWER DOWNLOAD EXAMIANS APP
Physics Centrifugal force increases with Acceleration Temperature Pressure Humidity Acceleration Temperature Pressure Humidity ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted Due to refraction In a straight line path In a curved path Due to total internal reflection Due to refraction In a straight line path In a curved path Due to total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron ANSWER DOWNLOAD EXAMIANS APP
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