Physics Which physical quantity is measured in 'siemens'? Electric potential Magnetic flux Electrical conductance Refractive index Electric potential Magnetic flux Electrical conductance Refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Radio waves on it Ultra high frequency waves on it Light waves on it Microwaves on it Radio waves on it Ultra high frequency waves on it Light waves on it Microwaves on it ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To reduce heat loss by radiation To make it smooth and frictionless To make it more durable To make it rust-proof To reduce heat loss by radiation To make it smooth and frictionless To make it more durable To make it rust-proof ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical burns occur principally because of All of these The high energy of electrons Radiation pulses of the electricity The heat generated by the flow of electrical current through the body All of these The high energy of electrons Radiation pulses of the electricity The heat generated by the flow of electrical current through the body ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work during the day and night they can detect faint galaxies which no optical telescope can All of these they can work even in cloudy conditions they can work during the day and night they can detect faint galaxies which no optical telescope can All of these they can work even in cloudy conditions ANSWER DOWNLOAD EXAMIANS APP
Physics When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ? Two times One-fourth Half Four times Two times One-fourth Half Four times ANSWER DOWNLOAD EXAMIANS APP