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`2.0xx10^(5)` मीटर/सेकण्ड वेग के प्रकाश-इलेक्ट्रॉन एक धातु के पृष्ठ से उत्सर्जित होते हैं । यदि 6000Å वाला प्रकाश पृष्ठ पर आपतित हो , तो कार्य फलन की

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`2.0xx10^(5)` मीटर/सेकण्ड वेग के प्रकाश-इलेक्ट्रॉन एक धातु के पृष्ठ से उत्सर्जित होते हैं । यदि 6000Å वाला प्रकाश पृष्ठ पर आपतित हो , तो कार्य फलन की गणना कीजिए ।
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1 Answer

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Correct Answer - `1.95 eV`.
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