Physics Which one of the following determines the sharpness of image in a camera ? The exposure time The focal length of the lens The aperture Size of the camera The exposure time The focal length of the lens The aperture Size of the camera ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Raise his hands up Spread his hands outwards Sit down with raised hands Bring his hands together Raise his hands up Spread his hands outwards Sit down with raised hands Bring his hands together ANSWER DOWNLOAD EXAMIANS APP
Physics The weakest of all fundamental forces is Magnetic force Electrostatic force Nuclear force Gravitational force Magnetic force Electrostatic force Nuclear force Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 0.005 µ bar 10.0 µ bar 5.0 µ bar 0.0002 µ bar 0.005 µ bar 10.0 µ bar 5.0 µ bar 0.0002 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are concave. ANSWER DOWNLOAD EXAMIANS APP
Physics Gasoline is useful in cars because it has Electrical potential energy Kinetic energy Gravitational potential energy Chemical potential energy Electrical potential energy Kinetic energy Gravitational potential energy Chemical potential energy ANSWER DOWNLOAD EXAMIANS APP