Introduction:
UPSC Physics optional subject requires a deep understanding of concepts and a strong foundation. Online video tutorials and lectures can be highly beneficial for UPSC aspirants to grasp complex topics and enhance their knowledge. Here are some effective strategies to make the most out of online video tutorials and lectures for UPSC Physics optional subject:

1. Choose reliable sources:
- Look for reputable platforms that provide high-quality video tutorials and lectures specifically designed for UPSC Physics optional subject.
- EduRev is an excellent platform that offers comprehensive video lectures and tutorials for UPSC preparation.

2. Plan a structured study schedule:
- Create a study schedule that incorporates regular video tutorial sessions.
- Allocate specific time slots for watching videos and taking notes.
- Ensure consistency and discipline in following the schedule.

3. Focus on understanding:
- Pay close attention to the explanations provided in the video tutorials and lectures.
- Pause and rewind the videos whenever required to fully grasp the concepts.
- Take notes while watching the videos to reinforce your understanding.

4. Supplement with textbooks:
- Use textbooks as a supplementary resource to complement the video tutorials.
- Read the relevant chapters before or after watching the videos to deepen your understanding.

5. Solve practice problems:
- Look for video tutorials that include practice problems and examples.
- Solve these problems along with the video to apply the concepts learned and enhance problem-solving skills.

6. Engage in active learning:
- Take an active approach while watching video tutorials.
- Ask questions to yourself, pause the video to reflect on the content, and try to explain the concepts in your own words.

7. Join discussion forums:
- Participate in online forums or communities where UPSC aspirants discuss Physics optional subject.
- Engage in discussions, ask questions, and clarify doubts to gain deeper insights.

8. Revise and review:
- Regularly revise the topics covered in the video tutorials.
- Use EduRev's revision notes and flashcards to reinforce your learning.
- Review your notes and re-watch the videos if needed before the exam.

Conclusion:
Online video tutorials and lectures are valuable resources for UPSC Physics optional subject. By following a structured study schedule, focusing on understanding, supplementing with textbooks, solving practice problems, engaging in active learning, participating in discussions, and revising regularly, you can effectively utilize these resources to excel in your UPSC preparation. Remember to choose reliable sources like EduRev for high-quality video tutorials and lectures.