Physics The mercury and sodium street lamps light up because of : Electron absorption Atomic absorption Electron emission Atomic emission Electron absorption Atomic absorption Electron emission Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Four times One–fourth Half Double Four times One–fourth Half Double ANSWER DOWNLOAD EXAMIANS APP
Physics The density of a gas is maximum at High temperature, low pressure High temperature, high pressure Low temperature, high pressure Low temperature, low pressure High temperature, low pressure High temperature, high pressure Low temperature, high pressure Low temperature, low pressure ANSWER DOWNLOAD EXAMIANS APP
Physics One thousand microns is equal to 10-6m 10-3m 10-9m 10-12m 10-6m 10-3m 10-9m 10-12m ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? Microwaves Cosmic rays Radio waves X-rays Microwaves Cosmic rays Radio waves X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The strength of an electromagnet can be increased by Increasing the length of the coiled wire Increasing current supply Increasing the number of turns All of these Increasing the length of the coiled wire Increasing current supply Increasing the number of turns All of these ANSWER DOWNLOAD EXAMIANS APP
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