Physics An object which absorbs all colours and reflects none appears: Grey Blue Black White Grey Blue Black White ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As diffused beams in all directions As a parallel beam in one direction As a diffused beam in one direction As parallel beams in all directions As diffused beams in all directions As a parallel beam in one direction As a diffused beam in one direction As parallel beams in all directions ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve = Vp Ve < Vp Cannot be determined Ve > Vp Ve = Vp Ve < Vp Cannot be determined Ve > Vp ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Metal reflects radiowaves Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Metal reflects radiowaves Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 13.2 km/sec 10.2 km/sec 11.2 km/sec 12.2 km/sec 13.2 km/sec 10.2 km/sec 11.2 km/sec 12.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value depending on amount of water in the pail ANSWER DOWNLOAD EXAMIANS APP
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