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HomePhysicsThe weight of an object in the coal mine, sea level, at the top of the mountain are   W1,W2  and  W3 respectively, then

The weight of an object in the coal mine, sea level, at the top of the mountain are   W1,W2  and  W3 respectively, then

(a)    W1 <W2 > W3                            (b)  W1 =W2 =W3

(c)   W1 < W2 < W3                            (d)      W1 > W2 >W3

Answer:  a

(14)

5/5 - (1 vote)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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