Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 500 J 0.2 J 20 J 5 J 500 J 0.2 J 20 J 5 J ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon's surface is rough The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon's surface is rough The moon has no atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has low temperature coefficient of expansion Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has low temperature coefficient of expansion Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat 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 2% Increased by 4% Decreased by 4% Decreased by 2% Increased by 2% Increased by 4% 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 C/7 7C 14C C C/7 7C ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Heat Electromagnetic Light Sound Heat Electromagnetic Light Sound ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS