Question

Rohan takes four identical beakers with equal volumes of water in them. He maintains one beaker of each pair at 75 degree Celsius and the other beaker at 25 degree Celsius. He inserts bent tubes of identical dimensions but of different materials into the sets of beakers( as shown in figure). Which of the following beakers will be the first to record a rise in temperature? (Assume that there is no loss or gain of heat from the surroundings

Answer 1

Answer:

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