Physics Total internal reflection can not take place when light goes from : Glass to air Glass to water Water to glass Water to air Glass to air Glass to water Water to glass Water to air ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Johannes Kepler Galileo Martin Luther Copernicus Johannes Kepler Galileo Martin Luther ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? Only some ice will melt All water will become ice No change will happen All ice will melt Only some ice will melt All water will become ice No change will happen All ice will melt ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Backward thrust of gases produced Newton's third law of motion Newton's first law of motion Conservation of energy Backward thrust of gases produced Newton's third law of motion Newton's first law of motion Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Decreases Increases Unchanged Depends upon the metal Decreases Increases Unchanged Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of gravitational field of earth is maximum at Poles Centre of earth Surface Equator Poles Centre of earth Surface Equator ANSWER DOWNLOAD EXAMIANS APP
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