Physics On a rainy day, small oil films on water show brilliant colours. This is due to interference polarization diffraction dispersion interference polarization diffraction dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Gravitational force Boyle's Law Surface tension Viscosity Gravitational force Boyle's Law Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Greater than or equal to Greater than Less than Equal to Greater than or equal to Greater than Less than Equal to 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 mercury level starts rising The bell jar breaks up The mercury level starts falling The mercury level does not change The mercury level starts rising The bell jar breaks up ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Resistivity Area of cross section Length Temperature Resistivity Area of cross section Length Temperature ANSWER DOWNLOAD EXAMIANS APP