GCSE Physics Revision: Magnifying glasses

GCSE Physics Revision: Magnifying glasses

You can watch all my videos at www.freesciencelessons.co.uk.

In this video, we look at how to construct a ray diagram for a magnifying glass and then how to calculate magnification. This is quite straightforward but it’s worth learning.

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7 thoughts on “GCSE Physics Revision: Magnifying glasses

  • How can you tell if an image is real or virtual from a ray diagram? How can you tell if an image is smaller or larger than the original image using a ray diagram?

  • These videos are very useful but i just got a question on revision. I found that watching your videos gave me a better memory of recalling the information than reading the aqa book. I know that flashcards and highlighting my notes are effective. My question is, making revision notes takes so long to do, so should i just watch ur videos, do the flashcards and past papers for finalisation. If i do this with other subjects, the flash cards will techinally be my revision note right, its just basically a form of a question and a answer and i can just highlight it to make it more memorable?????????

  • You seem to refer to the lenses and Convex and Concave, in my AQA specification and CPG book it refers to them as Diverging and Converging lenses, it is ok to use the terms "convex" and "concave" in the exam despite this ?

  • thnx for your videos. I can find all my chapters for my physics IGCSE. They seem simple after watching your videos. Thamk you sir

  • what are the specific elements that tell you if an image is real or virtual? is it wheter it's on one side or?

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