Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 5 J 20 J 500 J 0.2 J 5 J 20 J 500 J 0.2 J ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground. 0.043055555555556 0.042361111111111 0.044444444444444 Cannot be found from the given information. 0.043055555555556 0.042361111111111 0.044444444444444 Cannot be found from the given information. ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? White dwarfs Quartz clocks Atomic clocks Pulsars White dwarfs Quartz clocks Atomic clocks Pulsars ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies Ahead of his feet At the centre of the body Behind his feet To the left side of the body Ahead of his feet At the centre of the body Behind his feet To the left side of the body ANSWER DOWNLOAD EXAMIANS APP
Physics As water is cooled from 4 deg C to 0 deg C, its density Increases Decreases None of these Remains same Increases Decreases None of these Remains same ANSWER DOWNLOAD EXAMIANS APP
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