Physics · Optics
दाढ़ी बनाने या शेविंग करने के लिए किस प्रकार के दर्पण का उपयोग किया जाता है?
- 1अवतल दर्पण (Concave mirror)✓
- 2उत्तल दर्पण (Convex mirror)
- 3समतल दर्पण (Plane mirror)
- 4बेलनाकार दर्पण (Cylindrical mirror)
सही उत्तर देखें
अवतल दर्पण (Concave mirror)
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