Physics What is refractive index ? None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.084027777777778 0.052777777777778 0.16736111111111 0.044444444444444 0.084027777777778 0.052777777777778 0.16736111111111 0.044444444444444 ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Reflection Radiation Convection Conduction Reflection Radiation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 35 kHz 20kHz 60 kHz 45 kHz 35 kHz 20kHz 60 kHz 45 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following components is used as an amplifying device? Capacitor Diode Transistor Transformer Capacitor Diode Transistor Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics The weakest of all fundamental forces is Magnetic force Electrostatic force Gravitational force Nuclear force Magnetic force Electrostatic force Gravitational force Nuclear force ANSWER DOWNLOAD EXAMIANS APP
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