Physics · Light and Optics
एक साधारण पेरिस्कोप (परिदर्शी) बनाने में मुख्य रूप से निम्नलिखित में से किस प्रकाशीय घटक का उपयोग किया जाता है?
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- 4पारदर्शी कांच की शीट
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