Physics For which of the following substances, the resistance decreases with increase in temperature? Nichrome Platinum Copper Pure silicon Nichrome Platinum Copper Pure silicon ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Dipole interaction Hydrogen bond formation Vander waals forces Covalent attraction Dipole interaction Hydrogen bond formation Vander waals forces Covalent attraction ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: White Black Blue Grey White Black Blue Grey ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicles use ________ to see the objects coming from behind. Convex mirror Concave mirror Concave lens Convex lens Convex mirror Concave mirror Concave lens Convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 21 13 17 10 21 13 17 10 ANSWER DOWNLOAD EXAMIANS APP
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