my name is adarsh.i am moving to class12 next academic year.can you please suggest me good reference books in pcm which can prove to be good for board as well as entrance exams(jee).I would like to have slight weitage for standard problems than theory.

in a physics laboratory a block x is balanced by a block Y of mass 200 kg,each are suspended from a balance of equal lever arms .the scale pan on X is at a height.H1=2 cm ,where as scale pan on Y is at height 1 cm above the floor.the error in weighing is (in gram)

consider the figure of a single riveted lap joint as follows

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cyclic heat engine operates between. temperature of 30 C. What is the least rate of heat rejection per kW net output of an engine. source temperature of 800 C and sink

 

 

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Can we learn and prepare for MHT-CET online ?