The energy is always conserved for a system which is
- A. isolated only ✓
- B. non-isolated only
- C. both isolated and non-isolated
- D. none of above
Correct Answer: A. isolated only
Explanation
The law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time.
Related questions on Physics
- The commercial unit of electrical energy is kilowatt-hour (kWh), which is equal to
- Which one of the following statements regarding a current-carrying solenoid is <strong>NOT</strong> correct?
- An object is made of two equal parts by volume; one part has density \rho_{0} and the other part has density 2\rho_{0}. What is the aver...
- A pressure cooker cooks food faster by
- Which one of the following wavelengths corresponds to the wavelength of X-rays?