Physics Bubbles of air rise up through liquids due to Surface tension and adherence Up thrust and surface tension Viscosity and buoyancy Air current over the liquid and buoyancy Surface tension and adherence Up thrust and surface tension Viscosity and buoyancy Air current over the liquid and buoyancy 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 The method of magnetisation is: Heating a magnet Passing alternating current through it Passing direct current through it Hammering a magnet Heating a magnet Passing alternating current through it Passing direct current through it Hammering a magnet ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Rayleigh scattering Mie scattering None of these Back scattering Rayleigh scattering Mie scattering None of these Back scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Telescope Spectrometer Photometer Microscope Telescope Spectrometer Photometer Microscope ANSWER DOWNLOAD EXAMIANS APP
Physics Water drops cannot stick to the oily surface due to Cannot mix each other Lack of adhesive force Surface tension Water is lighter than oil Cannot mix each other Lack of adhesive force Surface tension Water is lighter than oil ANSWER DOWNLOAD EXAMIANS APP
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