Physics Negative feedback in amplifiers Increases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? Cosmic rays X-rays Radio waves Microwaves Cosmic rays X-rays Radio waves Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature Decreases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature Decreases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Plain Inverted Convex Concave Plain Inverted Convex Concave ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 100 MeV 0.1 MeV 1 MeV 10 MeV 100 MeV 0.1 MeV 1 MeV 10 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? Magnetic wave Sound wave Ultra-sound wave X-ray Magnetic wave Sound wave Ultra-sound wave X-ray ANSWER DOWNLOAD EXAMIANS APP