Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Continue going upwards uninterrupted Burst after reaching some height Reach a particular height and remain floating Reach a particular height and start coming down Continue going upwards uninterrupted Burst after reaching some height Reach a particular height and remain floating Reach a particular height and start coming down ANSWER DOWNLOAD EXAMIANS APP
Physics The washing machine works on the principle of Centrifugation Dialysis Reverse osmosis Diffusion Centrifugation Dialysis Reverse osmosis Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 0.05 2 0.1 4 0.05 2 0.1 4 ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their temperatures Their heat contents Their masses Whether they are in solid, liquid or gaseous state Their temperatures Their heat contents Their masses Whether they are in solid, liquid or gaseous state ANSWER DOWNLOAD EXAMIANS APP
Physics Friction can be reduced by changing from Dynamic to Static Sliding to Rolling Static to Dynamic Rolling to Sliding Dynamic to Static Sliding to Rolling Static to Dynamic Rolling to Sliding ANSWER DOWNLOAD EXAMIANS APP
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