Compound microscope | Class 12 (India) | Physics | Khan Academy
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14:10
Simple microscope | Class 12 (India) | Physics | Khan Academy
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15:26
I did the double slit experiment at home
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12:56
How to use a Compound Microscope| Monocular brightfield microscope
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15:01
Simple microscope - max & min power | Class 12 (India) | Physics | Khan Academy
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8:54
Germany’s Far-Right Comeback | NYT Opinion
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17:53
I never understood why a moving charge produces a magnetic field... until now!
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12:02
World's Lightest Solid!
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26:12