Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 2 1 3 4 2 1 3 4 ANSWER DOWNLOAD EXAMIANS APP
Physics The wave like properties of electrons are useful in Weather reports Lasers Magnifying objects All of these Weather reports Lasers Magnifying objects All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Water pipes in hilly areas often burst on a cold frosty night, because Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break None of these Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Collide each other Means of photons All of these Particles replaces there places Collide each other Means of photons All of these Particles replaces there places ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Solar cell Gramophone Loudspeaker Microphone Solar cell Gramophone Loudspeaker Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics An aircraft can perform aerobatic manoeuvres in a vertical loop because of Centrifugal force Weight Gravity Centripetal force Centrifugal force Weight Gravity Centripetal force ANSWER DOWNLOAD EXAMIANS APP
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