Physics The device which converts sound energy into electrical energy is called Speaker Microphone Transmitter Amplifier Speaker Microphone Transmitter Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is the SI unit of Frequency Power Weight Pressure Frequency Power Weight Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound has an object existence both subjective and objective existence no existence a subject existence an object existence both subjective and objective existence no existence a subject existence ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.008 0.016 1000 2000 0.008 0.016 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Electromagnetic Force Centripetal Force Gravitational Force Nuclear Force Electromagnetic Force Centripetal Force Gravitational Force Nuclear Force ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Absorbing cosmic ray particles Absorbing UV radiations Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing cosmic ray particles Absorbing UV radiations Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible ANSWER DOWNLOAD EXAMIANS APP