Physics The radiation initially produced in fluorescent tube is X-rays Microwaves Ultraviolet Infrared X-rays Microwaves Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength at which the peak of intensity of blackbody radiation occurs Decreases with increase in temperature Does not follow any pattern as temperature changes Increases with increase in temperature Is the same at all temperatures Decreases with increase in temperature Does not follow any pattern as temperature changes Increases with increase in temperature Is the same at all temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light visible light X-rays radio waves ultraviolet light visible light X-rays radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 1, 2 and 3 only 4 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 only 4 only 1, 2, 3 and 4 3 and 4 only ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is an ohmic conductor? Germanium Carbon Silicon Silver Germanium Carbon Silicon Silver ANSWER DOWNLOAD EXAMIANS APP
Physics In a vacuum, all electromagnetic waves have the same Wavelenth Frequency All listed here Velocity Wavelenth Frequency All listed here Velocity ANSWER DOWNLOAD EXAMIANS APP