Q. In the equation Q = ΔU + W, Q is positive when

समीकरण Q = ΔU + W में, Q तब सकारात्मक होता है

Heat is given to the system
सिस्टम को गर्मी दी जाती है

Heat is removed
गर्मी दूर हो जाती है

Temperature decreases
तापमान घट जाता है

None of these
इनमें से कोई नहीं

$Q$ is positive when heat is added to the system, increasing internal energy or doing work

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