Q.22 STATEMENT - 1 eV and Joule are the SI units of energy used in modern physics and mechanics respectively. STATEMENT - 2 Different types of energies require different units in Sl.
Answers
Answer:
yes because Columb C is the Sl unit of electricity
electricity is an energy
joule J is the Sl unit of heat
heat is an energy
energy are of various type
so they given different Sl unit
Answer:
The Joule is a universal unit of energy, and it is used in all branches of science and engineering to measure energy. Other units of energy, such as the calorie, are used in specific fields, but the Joule is the most commonly used unit of energy in modern physics and mechanics.
Explanation:
Both statements 1 and 2 are incorrect.
Statement 1 is incorrect because the electronvolt (eV) is not an SI unit of energy. It is a unit of energy commonly used in atomic and nuclear physics, as well as in semiconductor physics. The SI unit of energy is the Joule (J), which is defined as the work done by a force of one Newton over a distance of one meter.
Statement 2 is also incorrect because the SI unit of energy, which is the Joule, is used to measure all types of energy, whether it is mechanical energy, thermal energy, electromagnetic energy, or any other type of energy. The Joule is a universal unit of energy, and it is used in all branches of science and engineering to measure energy. Other units of energy, such as the calorie, are used in specific fields, but the Joule is the most commonly used unit of energy in modern physics and mechanics.
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