Physics · Light - Reflection and Refraction
एक अवतल दर्पण (concave mirror) द्वारा उत्पन्न आवर्धन (magnification) का चिह्न होता है:
- 1हमेशा ऋणात्मक
- 2धनात्मक जब प्रतिबिंब वास्तविक हो और ऋणात्मक जब प्रतिबिंब आभासी हो
- 3हमेशा धनात्मक
- 4धनात्मक जब प्रतिबिंब आभासी हो और ऋणात्मक जब प्रतिबिंब वास्तविक हो✓
सही उत्तर देखें
धनात्मक जब प्रतिबिंब आभासी हो और ऋणात्मक जब प्रतिबिंब वास्तविक हो
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