Science · Scientific Instruments
'एक्टिओमीटर' (Actinometer) का उपयोग क्या मापने के लिए किया जाता है?
- 1प्रिज्म का अपवर्तनांक
- 2दूरस्थ वस्तुओं का ताप
- 3सूर्य की किरणों की तीव्रता✓
- 4वायु की गति
सही उत्तर देखें
सूर्य की किरणों की तीव्रता
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