alleryअल्बर्ट आइंस्टीन को 1921 का भौतिकी का नोबेल पुरस्कार मुख्य रूप से किसकी व्याख्या के लिए दिया गया था?
Aसामान्य गुरुत्वाकर्षण
Bप्रकाश-विद्युत नियम
Cब्राउनी गति
Dद्रव्यमान तुल्यता
Answer & Solution
Correct answer: B. प्रकाश-विद्युत नियम
आइंस्टीन को प्रकाश-विद्युत प्रभाव के नियम की व्याख्या के लिए 1921 में भौतिकी का नोबेल पुरस्कार प्रदान किया गया था।
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