UGC NET JRF Environmental Sciences December 2025 | Q81 | #ugcnet #ugcnetjrf #netjrf #shorts #viral

🔥 UGC NET JRF Environmental Sciences December 2025 Exam Paper 2 | Question 81 Explained | GaAs & Photovoltaic Cells ⚡🌞

Can Gallium Arsenide (GaAs) really be an ideal photovoltaic material? 🤔
In this highly conceptual UGC NET JRF Environmental Sciences MCQ, we discuss:

✅ Gallium Arsenide (GaAs)
✅ Direct vs Indirect Band Gap
✅ Photovoltaic (PV) Cells
✅ Semiconductor Materials
✅ Solar Energy Conversion
✅ Shockley–Queisser Limit
✅ Assertion–Reason Type MCQ
✅ Important Semiconductor Band Gaps

📘 This question is extremely important for:

* UGC NET JRF Environmental Science
* GATE, UPSC, ICAR-ASRB, CPCB/SPCBs and other relevant Environmental Science and Engineering Competitive Exams Preparation
* Renewable Energy & Semiconductor Concepts
* Concept-Based Learning

💡 Learn why GaAs with a direct band gap (~1.42 eV) is highly efficient for photovoltaic applications and how band gap concepts are asked in exams.

🎯 Perfect for quick revision, concept clarity, and smart preparation!

📌 Question Type: Assertion–Reason
📌 Topic: Semiconductor Physics & Solar Energy
📌 Level: Conceptual + Exam Oriented

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Видео UGC NET JRF Environmental Sciences December 2025 | Q81 | #ugcnet #ugcnetjrf #netjrf #shorts #viral канала Science Pathshala