Physics Electron microscope works on which of the following principles? Motion of charged particle in electromagnetic fields Optical interference Wave Nature of electrons Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields Optical interference Wave Nature of electrons Faraday's law of Electromagnetic induction ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 0.07 nm 700 nm 7 nm 70 nm 0.07 nm 700 nm 7 nm 70 nm ANSWER DOWNLOAD EXAMIANS APP
Physics One bar is equal to 105 Pa 104 Pa 106 Pa 103 Pa 105 Pa 104 Pa 106 Pa 103 Pa ANSWER DOWNLOAD EXAMIANS APP
Physics When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes? Three times Six times One–third Nine times Three times Six times One–third Nine times ANSWER DOWNLOAD EXAMIANS APP
Physics Who defined the law of gravitation ? Galileo Newton Faraday Archimedes Galileo Newton Faraday Archimedes ANSWER DOWNLOAD EXAMIANS APP