GCSE Physics - How to Draw Ray Diagrams

If you’d like to practise what's covered in this video, check out the lesson on the Cognito platform - cognitoedu.org/coursesubtopic/p2-gcse-aqa-h-t_4.12. The platform’s totally free, and has been built to make learning and revision as easy as possible. The main features are:
- Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown.
- Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on.
- Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like.
- A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts.
- A comprehensive bank of past exam papers, organised both by year, and also by topic.
Amadeus & Tom

From now on,physics is easy
After watching this vid....
This was my scariest physics topic
I don’t know how to thank you!
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I was about to memorize 6 diagrams, you saved me hours! Thank you so much.

The Explanation was so simple. I understood so much from this vid. Thanks !

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To anyone who sees this: MAKE SURE TO PUT ARROWS ON YOUR LIGHT RAYS (or you will lose marks!)

Finally, at least somebody explains the reasons for the images properties. Guess I'm ready for my tomorrows test :)

I was planning on just memorizing most of what was in my book...you honestly saved me so much time, and I understood the concepts! Thank you!

Thank you bro, i watched your vid before an exam leading to me acing it. Currently im teaching my teachers and friends

I genuinely wish you were my physics teacher

Thank you so much for making such a simple and understandable video! Before I didn't know how you can find the nature of the image by drawing ray diagrams, and also how to draw the ray diagrams, but now I do!

This video is such a life saver, saved me hours so I can move on to the next topic, THANKYOU for making these great videos you`re gonna save my exams I just know it

This was explained so clearly, gradually, and without going off the topic!! Perfect video for all those who are struggling with ray diagrams 👍🏻👍🏻💫

Thank you so much for this, video after video on youtube and finally someone explains it in a simple way...

Amazing, concise, and well-explained video. Thanks for sharing and keep up the good work!

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this makes so much sense now! thank you

I have a test tomorrow about this and didnt quite understand. Thanks so mcuh for this Video

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really liked the explanation!! Appreciate it

This helped me a lot thanks

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Tysmm, this helped a lot

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Thanks for the video! I found it very helpful one day b4 exam! But for Convex Diagrams, what happens if arrow/object is placed ON F, because u only gave before 2F, on 2F, in between 2F and F, and after F, but not on F. Will it be same size if its on F?

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Great thorough explanation, really helped.

That's excellent !!

@cognito will the concave lens image always be virtual as you are always using a virtual ray?

This saved my bacon for my SO event

Hey thank you so much this was really useful! Just wanted to know what you recommended doing when you aren't given a focal point/principle focus and asked to either draw the diagram without, or put the focal point in yourself? (The question I was given didn't have any rays drawn either)

thank you so much omgg 😭😭😭😭😭😭

are concave lenses in the IGCSE syllabus? i don't think so correct?

Thank you❤

Sir you video help me alot i can not thank you much

Thanks alot sir!!!

thanks for the help

what if the object in concave lens is between 2F and F? Will it change the form of image?

THANKYOU SO MMUCHH

is concave same for all

If only I found this video sooner…

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Brilliant

Different to mirror ray diagrams?

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Sir Why did u drw a small image in ray Crossing point in concave lens diagram?

Nice. Now I can pass

Hi!! Thanks for the videos, their really helpful :).

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I don’t understand how the rays go in what direction! 😭

Thanks alot

is this edexcel?

my physics teacher literally taught me none of this 🤷🏻‍♀️

thank youuu
i was memorizing but now I dont

Legend

1:20 hahaha. If this is true, the guys at GCSE are so damin lucky

is it no video for mirror ray diagram?

how far should the first focal points be? does it matter?

❤❤❤❤

I really think a concave lens is a converging lens not a diverging lens

thx