Physics The light rays used for eliminating bacteria X-rays Infrared rays Microwave radiation Ultra-violet radiation X-rays Infrared rays Microwave radiation Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is the unit used for Speed of light Intensity of heat Radio wave frequency Intensity of sound Speed of light Intensity of heat Radio wave frequency Intensity of sound ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Ionosphere Mesosphere Stratosphere Exosphere Ionosphere Mesosphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appears to move from east to west because The earth rotates from east to west The background of the stars moves from west to east All stars move from east to west The earth rotates from west to east The earth rotates from east to west The background of the stars moves from west to east All stars move from east to west The earth rotates from west to east ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following laws validates the statement that matter can neither be created nor destroyed ? Law of conservation of mass Law of osmosis Law of conservation of energy Le Chatelier's Principle Law of conservation of mass Law of osmosis Law of conservation of energy Le Chatelier's Principle ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Decreases bandwidth and decreases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
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