Physics The mercury and sodium street lamps light up because of : Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle He may increase his speed 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. No frictional force may be produced between the wheels and the axle He may increase his speed His weight may be reduced ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 3900 A° – 7600 A° 1300 A°–3000 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 1300 A°–3000 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest may have Momentum Potential energy Kinetic energy Velocity Momentum Potential energy Kinetic energy Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Otto-cycle Diesel-cycle Boyle's-cycle Carnot-cycle Otto-cycle Diesel-cycle Boyle's-cycle Carnot-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a compound machine? Knife Screw Bicycle Ramp Knife Screw Bicycle Ramp ANSWER DOWNLOAD EXAMIANS APP