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 20 J 40J 200J 400J 20 J 40J 200J ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Aluminium Silver Copper Iron Aluminium Silver Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass pieces Glass - wool Steel Stone chips Glass pieces Glass - wool Steel Stone chips ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of G-ray Infrared ray Ultraviolet ray X-ray G-ray Infrared ray Ultraviolet ray X-ray ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics Air pressure is measured in which of the following units? Steridian Pascal Kg/mts Newton Steridian Pascal Kg/mts Newton ANSWER DOWNLOAD EXAMIANS APP
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