Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Orange Green Blue Yellow Orange Green Blue Yellow ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ Photo diode Tunnel diode P-N Juction diode Schottky diode Photo diode Tunnel diode P-N Juction diode Schottky diode ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Reactors are based on which of the following phenomenon? Controlled Nuclear Fission Nuclear Fusion None of these Magnetic confinement of Plasma Controlled Nuclear Fission Nuclear Fusion None of these Magnetic confinement of Plasma ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Surge protector Voltage unloader Current unloader Heat protector Surge protector Voltage unloader Current unloader ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Salt water Fresh water Mercury Petrol Salt water Fresh water Mercury Petrol ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 3 × 108 m/s Infinity 8 × 103 m/s 3 × 10–8 m/s 3 × 108 m/s Infinity 8 × 103 m/s 3 × 10–8 m/s ANSWER DOWNLOAD EXAMIANS APP
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