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A 200 W sodium street lamp emits yellow lightof wavelength 0.6 μm. Assuming it to be 25% efficient in converting electrical energy to light,the number of photons of yellow light it emitsper second is [2012]a)1.5 × 1020b)6 × 1018c)62 × 1020d)3 × 1019Correct answer is option 'A'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A 200 W sodium street lamp emits yellow lightof wavelength 0.6 μm. Assuming it to be 25% efficient in converting electrical energy to light,the number of photons of yellow light it emitsper second is [2012]a)1.5 × 1020b)6 × 1018c)62 × 1020d)3 × 1019Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A 200 W sodium street lamp emits yellow lightof wavelength 0.6 μm. Assuming it to be 25% efficient in converting electrical energy to light,the number of photons of yellow light it emitsper second is [2012]a)1.5 × 1020b)6 × 1018c)62 × 1020d)3 × 1019Correct answer is option 'A'. Can you explain this answer?.

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