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 5 J 20 J 500 J 0.2 J 5 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because water has a higher surface tension Oil is lighter than water Oil does not mix with water Oil is more viscous water has a higher surface tension Oil is lighter than water Oil does not mix with water Oil is more viscous ANSWER DOWNLOAD EXAMIANS APP
Physics The hydraulic brakes used in automobiles is a direct application of : Pascal's law Bernoulli's theorem Toricellian law Archimedes' principle Pascal's law Bernoulli's theorem Toricellian law Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Electrons Protons Photoelectrons Photons Electrons Protons Photoelectrons Photons ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies Behind his feet At the centre of the body Ahead of his feet To the left side of the body Behind his feet At the centre of the body Ahead of his feet To the left side of the body ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Cube Sphere All will cool at the same rate Circular plate Cube Sphere All will cool at the same rate Circular plate ANSWER DOWNLOAD EXAMIANS APP