Physics Brightness of bulb depends on voltage or current? Current None Voltage Both A & B Current None Voltage Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They use less oxygen Their lungs are very large They have extra air sacs They fly inactively They use less oxygen Their lungs are very large They have extra air sacs They fly inactively ANSWER DOWNLOAD EXAMIANS APP
Physics Surface tension in a liquid is due to : Cohesive force between molecules Adhesive force betweenmolecules Gravitational force between molecules Electrical force between molecules. Cohesive force between molecules Adhesive force betweenmolecules Gravitational force between molecules Electrical force between molecules. ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Current signal into sound signal Sound signal into light signal Sound signal into current signal Light signal into sound signal Current signal into sound signal Sound signal into light signal Sound signal into current signal Light signal into sound signal ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Convex None of these Plano-concave Concave Convex None of these Plano-concave Concave ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 200J 40J 20 J 400J 200J 40J 20 J 400J ANSWER DOWNLOAD EXAMIANS APP
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