Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics Force of impact is the force By the speed of the object By the objects weight When the objects meet None of these By the speed of the object By the objects weight When the objects meet None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Transient state of short-circuit current Sub-transient state of short-circuit current Steady state of short-circuit current After D. C. component has ceased Transient state of short-circuit current Sub-transient state of short-circuit current Steady state of short-circuit current After D. C. component has ceased ANSWER DOWNLOAD EXAMIANS APP
Physics Rolling friction is caused by ________ Gravity Non-elastic effects Power dissipation Buoyancy Gravity Non-elastic effects Power dissipation Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following colour of light deviates least through the prism? Yellow Red Violet Green Yellow Red Violet Green ANSWER DOWNLOAD EXAMIANS APP