Physics Which of the following property of sound is affected by change in air temperature? Wavelength Frequency Amplitude Intensity Wavelength Frequency Amplitude Intensity ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into mechanical energy Electrical energy into magnetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Where should a boat compass be mounted? Near iron All listed here Away from electrical wiring Near magnet Near iron All listed here Away from electrical wiring Near magnet ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Microwaves Ultraviolet rays Radio waves Infrared rays Microwaves Ultraviolet rays Radio waves Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics At the Curie temperature, the ferromagnetic materials get converted into Non-magnetic materials Diamagnetic materials None of the others Paramagnetic materials Non-magnetic materials Diamagnetic materials None of the others Paramagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Physics The energy stored in a watch spring is Chemical energy Potential energy Heat energy Kinetic energy Chemical energy Potential energy Heat energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP