Physics Electrostatic precipitator is used to control the pollution of Thermal Noise Water Air Thermal Noise Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Long wavelength Low refraction in the medium High intensity High frequency Long wavelength Low refraction in the medium High intensity High frequency ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Light energy to electrical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy Light energy to electrical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to measure the speed of the wind is Chronometer Altimeter Anemometer Dosimeter Chronometer Altimeter Anemometer Dosimeter ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of light is maximum in ________ Gases Vacuum Liquids Solids Gases Vacuum Liquids Solids ANSWER DOWNLOAD EXAMIANS APP
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