Physics Electromagnet is constructed with which of the following ? Soft Iron Nickel Steel Aluminium Soft Iron Nickel Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics The work done by the string of a simple pendulum during one complete oscillation is equal to Potential energy of the pendulum Total energy of the pendulum Kinetic energy of the pendulum Zero Potential energy of the pendulum Total energy of the pendulum Kinetic energy of the pendulum Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a valid conservation law of classical physics? Law of conservation of energy Law of conservation of current Law of conservation of charge Law of conservation of angular momentum Law of conservation of energy Law of conservation of current Law of conservation of charge Law of conservation of angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It absorbs sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It reflects sun's rays It absorbs sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The focal length of the lens The exposure time The aperture Size of the camera The focal length of the lens The exposure time The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the diffusion of oil through the wick Of the capillary action phenomenon Of the surface tension phenomenon Oil is very light Of the diffusion of oil through the wick Of the capillary action phenomenon Of the surface tension phenomenon Oil is very light ANSWER DOWNLOAD EXAMIANS APP