i2ceSpr0ovoxsavila i2ceSpr0ovoxsavila
  • 02-01-2017
  • Arts
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What will be the magnitude and the sign of the focal length when the lens is flipped over?

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agator824catdog47
agator824catdog47 agator824catdog47
  • 03-01-2017
8 c m changes to the magnitude and the sign of the focal length when the lens is flipped over 

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