Physics The oil in the wick of an oil lamp rises up due to: Capillary action Low viscosity of oil Gravitational force Pressure difference Capillary action Low viscosity of oil Gravitational force Pressure difference ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? Ultra-sound wave Sound wave Magnetic wave X-ray Ultra-sound wave Sound wave Magnetic wave X-ray ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Stone is heavier than parachute A parachute has a larger surface area and air resistance is more Special mechanisms are present in parachute None of these Stone is heavier than parachute A parachute has a larger surface area and air resistance is more Special mechanisms are present in parachute None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 2 1 0.5 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Sonar Altimeter Venturimeter Radar Sonar Altimeter Venturimeter Radar ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Transformer Galvanometer Ammeter Rectifier Transformer Galvanometer Ammeter Rectifier ANSWER DOWNLOAD EXAMIANS APP