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 ) 400J 40J 20 J 200J 400J 40J 20 J 200J ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on ice than on a concrete road because There is very little friction between the ice and feet pressing it There is more friction between the ice and feer Ice is soft when compared to concrete None of these There is very little friction between the ice and feet pressing it There is more friction between the ice and feer Ice is soft when compared to concrete None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Light energy Thermal energy Potential energy Kinetic energy Light energy Thermal energy Potential energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Paper Graphite Dry air Kerosene Paper Graphite Dry air Kerosene ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Spherical convex Plane Parabolic concave Cylindrical concave Spherical convex Plane Parabolic concave Cylindrical concave ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens The aperture The exposure time Size of the camera The focal length of the lens The aperture The exposure time Size of the camera ANSWER DOWNLOAD EXAMIANS APP
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