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
Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes Both the mass number and the atomic number of the nucleus change The mass number of the nucleus changes whereas its atomic number does not change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes Both the mass number and the atomic number of the nucleus change ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Steel Water Wood Air Steel Water Wood Air ANSWER DOWNLOAD EXAMIANS APP
Physics Let a thin capillary tube be replaced with another tube of insufficient length then, we find water depressed will not rise will overflow change its meniscus depressed will not rise will overflow change its meniscus ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside ANSWER DOWNLOAD EXAMIANS APP
Physics The rate of flow of electric charge is measured in Ampere-coulomb Ampere Coulomb Ampere/coulomb Ampere-coulomb Ampere Coulomb Ampere/coulomb ANSWER DOWNLOAD EXAMIANS APP