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A student heats some amount of tap water in a calorimeter to a temperature of nearly 50ºC above the room temperature. He then records the temperature of this water as it is cooling down at regular intervals of 2 minutes each. He tabulates his observations as follows : Time (in minutes) → 0 2 4 6 8 10 Temperature (in ºC) → t1 t2 t3 t4 t5 t6 He is likely to observe that :(1) (t1 − t2) > (t3 − t4) > (t5 − t6)(2) (t1 − t2) = (t3 − t4) = (t5 − t6)(3) (t1 − t2) < (t3 − t4) < (t5 − t6)(4) (t1 − t2) < (t3 − t4) > (t5 − t6) |
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Answer» A student heats some amount of tap water in a calorimeter to a temperature of nearly 50ºC above the room temperature. He then records the temperature of this water as it is cooling down at regular intervals of 2 minutes each. He tabulates his observations as follows :
He is likely to observe that : (1) (t1 − t2) > (t3 − t4) > (t5 − t6) (2) (t1 − t2) = (t3 − t4) = (t5 − t6) (3) (t1 − t2) < (t3 − t4) < (t5 − t6) (4) (t1 − t2) < (t3 − t4) > (t5 − t6) |
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