why uv rays cannot pass through glass if it has higher penetrating power than visible light rays
why uv rays cannot pass through glass if it has higher penetrating power than visible light rays

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