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 ) 40J 20 J 400J 200J 40J 20 J 400J 200J ANSWER DOWNLOAD EXAMIANS APP
Physics Which resource is both renewable and inexpensive? Coal Minerals Sunlight Gold Coal Minerals Sunlight Gold ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? It has no unit Kg/m Kg/m3 Kg/m2 It has no unit Kg/m Kg/m3 Kg/m2 ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? W.C Roentgen James Chadwick Marie Curie J.J Thomson W.C Roentgen James Chadwick Marie Curie J.J Thomson ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the Corpuscular theory of light? Albert Einstein Isaac Newton Christiaan Hyugens James Clerk Maxwell Albert Einstein Isaac Newton Christiaan Hyugens James Clerk Maxwell ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The glass of the bell jar absorbs the sound waves There is no air or any other gas in the bell jar The bell jar is too small The ringing is not loud enough The glass of the bell jar absorbs the sound waves There is no air or any other gas in the bell jar The bell jar is too small The ringing is not loud enough ANSWER DOWNLOAD EXAMIANS APP
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