Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Galvanometer Rectifier Ammeter Transformer Galvanometer Rectifier Ammeter Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Can affect photographic plates Have low penetrating power Can be reflected or refracted Travel with the speed of light Can affect photographic plates Have low penetrating power Can be reflected or refracted ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Sound signal into light signal Current signal into sound signal Light signal into sound signal Sound signal into current signal Sound signal into light signal Current signal into sound signal Light signal into sound signal Sound signal into current signal ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a Non Renewable Resource of Energy? Solar Energy Wind Power Natural Gas Hydrogen Fuel Solar Energy Wind Power Natural Gas Hydrogen Fuel ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Rain water Animals Sun Clouds Rain water Animals Sun Clouds ANSWER DOWNLOAD EXAMIANS APP
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