Q. Heat given to a system is used to increase

किसी सिस्टम को दी गई ऊष्मा का उपयोग बढ़ाने के लिए किया जाता है

A
Only temperature
केवल तापमान
B
Only pressure
केवल दबाव
C
Internal energy and do work
आंतरिक ऊर्जा और कार्य करें
D
Only internal energy
केवल आंतरिक ऊर्जा

Explanation

According to the first law of thermodynamics:

Q=ΔU+WQ = \Delta U + W

Heat added to a system either:

  • Increases the internal energy

  • Or is used to do work

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