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1. 3000A তরঙ্গ দৈর্ঘ্যের আলোর ফোটন কত শক্তি বহন করে ?

  • A. 6.63×10-19 j
  • B. 6.63×10-19 j
  • C. 6.63×10-19 j
  • D. 6.63×10-19 j

Answer: Option A

Explanation:

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