Physics Speed of sound is the greatest in : Glycerine Water Glass Air Glycerine Water Glass Air ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Diffraction Polarization Interference Reflection Diffraction Polarization Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Thermal image making Magnetic image making Electromagnetic image making Electrostatic image making Thermal image making Magnetic image making Electromagnetic image making Electrostatic image making ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Regulator Amplifier Switch Rectifier Regulator Amplifier Switch Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Ultrasonic Audible sound Infrasonic Radio Ultrasonic Audible sound Infrasonic Radio ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a property of heavy water ? Density of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water Freezing point of heavy water is higher than that of ordinary water It produces corrosion Density of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water Freezing point of heavy water is higher than that of ordinary water It produces corrosion ANSWER DOWNLOAD EXAMIANS APP
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