Physics Which of the following waves cannot be polarised? Ultra violet Ultrasonic Infrared Radio Ultra violet Ultrasonic Infrared Radio ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Microphone Speaker Transmitter Amplifier Microphone Speaker Transmitter Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics The redness in atmosphere at Sunrise and Sunset is due to : Scattering of light Dispersion of light Refraction of light Reflection of light Scattering of light Dispersion of light Refraction of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Current signal into sound signal Light signal into sound signal Sound signal into light signal Sound signal into current signal Current signal into sound signal Light signal into sound signal Sound signal into light signal Sound signal into current signal ANSWER DOWNLOAD EXAMIANS APP
Physics The colours of stars depend on their Temperature Radius Distance Atmospheric pressure Temperature Radius Distance Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is James Clerk Maxwell Thomas Alva Edison John Logie Baird Heinrich Hertz James Clerk Maxwell Thomas Alva Edison John Logie Baird Heinrich Hertz ANSWER DOWNLOAD EXAMIANS APP