Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Increases slightly Increases to a great extent Decreases rapidly Decreases slightly Increases slightly Increases to a great extent Decreases rapidly Decreases slightly ANSWER DOWNLOAD EXAMIANS APP
Physics The cooling by a desert Cooler is based on: Evaporative Cooling Hot air replacement Air Rehydration Air dehydration Evaporative Cooling Hot air replacement Air Rehydration Air dehydration ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is None of these Oscillator Rectifier Amplifier None of these Oscillator Rectifier Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Infra red Red light Cosmic rays Ultra violet Infra red Red light Cosmic rays Ultra violet ANSWER DOWNLOAD EXAMIANS APP
Physics The electrical domestic tube light gives white fluorescent light because of Heavy current Vacuum inside the tube Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube Heavy current Vacuum inside the tube Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
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