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Question

6.63×10⁻⁷ তরঙ্গ দৈর্ঘ্যের ফোটনের শক্তি কত হবে? (h=6.63× 10⁻³⁴ Js)

3×10⁻¹⁹J

6.63×10⁻³⁴ J

6.63×10⁻¹⁹J

ANS : 1

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