Physics Which type of mirror is used in the head lights of vehicles ? Concave mirror Plane mirror Convex mirror Parabolic mirror Concave mirror Plane mirror Convex mirror Parabolic mirror 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 ) 20 J 400J 40J 200J 20 J 400J 40J 200J ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The electrical domestic tube light gives white fluorescent light because of Heavy current Colision between molecules of filled gas under electric current Vacuum inside the tube Falling of ultra violet rays on the white inner coating of the tube Heavy current Colision between molecules of filled gas under electric current Vacuum inside the tube Falling of ultra violet rays on the white inner coating of the tube ANSWER DOWNLOAD EXAMIANS APP
Physics Frictional force acts in All the directions The same direction as the motion The opposite direction of the motion Upward direction All the directions The same direction as the motion The opposite direction of the motion Upward direction ANSWER DOWNLOAD EXAMIANS APP
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