Physics The device which converts AC to DC is Amplifier Oscillator Rectifier None of these Amplifier Oscillator Rectifier None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Chemical reactions Fusion reactions Fission reactions Combustion reactions Chemical reactions Fusion reactions Fission reactions Combustion reactions ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Decreases Decreases and then remains constant Increases Remains constant Decreases Decreases and then remains constant Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Romer Newton Galileo Einstein Romer Newton Galileo Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Reflection by hot ground Diffraction of light Total internal reflection by layers of air Interference of light Reflection by hot ground Diffraction of light Total internal reflection by layers of air Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of gravity Centre of mass Centre of motion Dead centre Centre of gravity Centre of mass Centre of motion Dead centre ANSWER DOWNLOAD EXAMIANS APP
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