Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 years 42 seconds 4.2 seconds 4.2 years 42 years 42 seconds 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a good electrical conductor? Graphite Charcoal Diamond Peat Graphite Charcoal Diamond Peat ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Surface Normal Tangent Reflected ray Surface Normal Tangent Reflected ray ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work during the day and night All of these they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can they can work during the day and night All of these they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Oscillators Amplifiers Rectifiers None of these Oscillators Amplifiers Rectifiers None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Heartz Newton Tesla Decibel Heartz Newton Tesla Decibel ANSWER DOWNLOAD EXAMIANS APP
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