Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 400J 200J 40J 20 J 400J 200J 40J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are novas and supernovas quasars asteroids binaries novas and supernovas quasars asteroids binaries ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Inertia Zero gravity Acceleration None of these Inertia Zero gravity Acceleration None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of force is a Basic Unit None of these Derived Unit Fundamental Unit Basic Unit None of these Derived Unit Fundamental Unit ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Ernest Rutherfor Marie Curie Henri Becquerel Enrico Fermi Ernest Rutherfor Marie Curie Henri Becquerel Enrico Fermi ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Mesosphere Troposphere Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
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