What is parallax error and zero error in measurement? What is the basic differences between these two?
What is parallax error and zero error in measurement? What is the basic differences between these two?

In viewing through a magnifying glass, one usually positions one's eyes very close to the lens. Does angular magnification change if the eye is moved back?
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Last Activity: 3 Years ago

Last Activity: 3 Years ago

Last Activity: 3 Years ago