Physics Who among the following discovered X-rays? James Chadwick W.C Roentgen J.J Thomson Marie Curie James Chadwick W.C Roentgen J.J Thomson Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear = 85 db None of these > 85 db < 85 db = 85 db None of these > 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: Direct current to Alternating current High voltage to low voltage Alternating current to Direct current Low voltage to high voltage Direct current to Alternating current High voltage to low voltage Alternating current to Direct current Low voltage to high voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Reactors are based on which of the following phenomenon? Magnetic confinement of Plasma None of these Nuclear Fusion Controlled Nuclear Fission Magnetic confinement of Plasma None of these Nuclear Fusion Controlled Nuclear Fission ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° ANSWER DOWNLOAD EXAMIANS APP