Physics The waveform of a certain signal can be studied by P – n junction diode Sonometer Cathode ray oscilloscope Spectrometer P – n junction diode Sonometer Cathode ray oscilloscope Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Air to water Air to glass Water to glass Glass to water Air to water Air to glass Water to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics The S.I. unit of electric charge is : Ampere Kelvin Coulomb E.s.u Ampere Kelvin Coulomb E.s.u ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Temperature Wavelength None of these Frequency Temperature Wavelength None of these Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 2 T 8 T 4 T 1 T 2 T 8 T 4 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Maser Laser Radar Sonar Maser Laser Radar Sonar ANSWER DOWNLOAD EXAMIANS APP
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