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प्रकाश का रंग किस पर निर्भर है?
तरंगदैर्ध्य (Wavelength) पर रंग निर्भर करता है।
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asked 3 months ago
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कौन सा दर्पण दंत चिकित्सक उपयोग करते हैं?
अवतल दर्पण बड़ा प्रतिबिंब दिखाता है।
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asked 3 months ago
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