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 pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with Newton's law Bernoulli's principle Pascal's law Archimedes' principle Newton's law Bernoulli's principle Pascal's law Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? Asteroid belt Ozone hole Black hole White hole Asteroid belt Ozone hole Black hole White hole ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Thermocouple Hydrometer Ammeter Voltmeter Thermocouple Hydrometer Ammeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It has high resistance It does not form a closed path for the flow of current The body is earthed Its feet are good insulators It has high resistance It does not form a closed path for the flow of current The body is earthed Its feet are good insulators ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle None of these Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP