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+1 vote
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in Physics by (78.6k points)

प्रकाश-वैद्युत प्रभाव के प्रयोग में आपतित प्रकाश की आवृत्ति दोगुनी करने पर उत्सर्जित प्रकाश-इलेक्ट्रॉन की गतिज ऊर्जा कितनी बढ़ जायेगी ? 

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∵ E = hν 

∴ गतिज ऊर्जा दोगुनी हो जायेगी।

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