Physics Bubbles of air rise up through liquids due to Surface tension and adherence Up thrust and surface tension Air current over the liquid and buoyancy Viscosity and buoyancy Surface tension and adherence Up thrust and surface tension Air current over the liquid and buoyancy Viscosity and buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 14C C/7 7C C 14C C/7 7C C ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level starts falling The mercury level does not change The bell jar breaks up The mercury level starts rising The mercury level starts falling The mercury level does not change The bell jar breaks up The mercury level starts rising ANSWER DOWNLOAD EXAMIANS APP
Physics Small bubbles are perfectly spherical because of Gravity Viscosity Pressure Surface tension Gravity Viscosity Pressure Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A system exhibiting S.H.M. must possess Inertia only Elasticity only Elasticity as well as inertia Elasticity, inertia and an external force Inertia only Elasticity only Elasticity as well as inertia Elasticity, inertia and an external force ANSWER DOWNLOAD EXAMIANS APP
Physics Permissible noise level at Residential area during night time is : 80 dB (A) 75 dB (A) 55 dB (A) 45 dB (A) 80 dB (A) 75 dB (A) 55 dB (A) 45 dB (A) ANSWER DOWNLOAD EXAMIANS APP