Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates No change The liquid boils The liquid cools The liquid evaporates No change The liquid boils The liquid cools ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Susceptibility independent of temperature Point in a particular direction Hysteresis Attracting a magnetic substance Susceptibility independent of temperature Point in a particular direction Hysteresis Attracting a magnetic substance ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Newton's third law of motion Conservation of energy Backward thrust of gases produced Newton's first law of motion Newton's third law of motion Conservation of energy Backward thrust of gases produced Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To increase friction To convert kinetic friction into rolling friction To convert static friction into kinetic friction Just for convenience To increase friction To convert kinetic friction into rolling friction To convert static friction into kinetic friction Just for convenience 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 C 14C C/7 7C C 14C C/7 7C ANSWER DOWNLOAD EXAMIANS APP
Physics The slope of a velocity-time graph represents Displacement Acceleration Distance Speed Displacement Acceleration Distance Speed ANSWER DOWNLOAD EXAMIANS APP