Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Electrostatic force Muscular force Magnetic force Friction Electrostatic force Muscular force Magnetic force Friction ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Decreases Does not change Depends on the impurities in the ice Increases Decreases Does not change Depends on the impurities in the ice Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes work on the principle of Bernoulli's theorem Pascal's law Thomson's law Newton's law Bernoulli's theorem Pascal's law Thomson's law Newton's law ANSWER DOWNLOAD EXAMIANS APP
Physics Kinetic energy depends on Both mass and velocity of the moving body The mass of the moving body The pressure of the moving body The velocity or speed of the moving body. Both mass and velocity of the moving body The mass of the moving body The pressure of the moving body The velocity or speed of the moving body. ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Interference Dispersion Total Internal Reflection Diffraction Interference Dispersion Total Internal Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
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