Physics Optical fibre works on which of the following principle of light? Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in the fabrication of a transistor is Silver Aluminium Silicon Copper Silver Aluminium Silicon Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays have greatest similarity with A-rays U.V.-rays B-rays X-rays A-rays U.V.-rays B-rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The rubber ball suffers greater change in momentum Both suffer the same change in momentum The metal ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum Both suffer the same change in momentum The metal ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball ANSWER DOWNLOAD EXAMIANS APP
Physics When does land breeze occur? Winter Both A & B Hot summer Fall Winter Both A & B Hot summer Fall ANSWER DOWNLOAD EXAMIANS APP
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