A lamp has a luminous efficacy of 2 lumens per watt and a luminous intensity of 42 cd. What is the power of the lamp in W.
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the power of ample is 650W
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Macavity is a fictional character and depicts the actions of the crooks. He is also known as 'Hidden Paw'. He is a notorious criminal, spy, and a trickster and openly disobeys the laws. Macavity is a mastermind and leaves no evidence after committing the crime
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