Power is work over time.
We can solve for work by using F*d
Now solve for power:
We can solve for work by using F*d
Now solve for power:
What role does the spark from the igniter play in the reaction that takes place when propane is burned in a gas grill?
2 answers:
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Answer:
Intensity of a wave is Power per unit area.
Explanation:
The intensity of wave is defined as the power per unit area in the direction of motion of wave i.e.
Also, the intensity of a wave is directly proportional to the square of its amplitude. Let a is the amplitude of a wave. So,
The SI unit of power is watt and the SI unit of area is m². So, the SI unit of intensity is W/m². Hence, the correct option is (a) "Intensity of a wave is Power per unit area".