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Page 973
The bulb " lights up " when the filament is heated by the passage of a ( n ) current . 5. When a weak battery produces little current ... The amount of light sent out , or " emitted , " by a filament depends on how the filament is . 8.
The bulb " lights up " when the filament is heated by the passage of a ( n ) current . 5. When a weak battery produces little current ... The amount of light sent out , or " emitted , " by a filament depends on how the filament is . 8.
Page 980
In the first place , the structure of the screen must be sufficiently microscopic to allow image resolution comparable to that possible with the light microscope ( about 0.2 micron ) ; secondly , the thickness of the fluorescent ...
In the first place , the structure of the screen must be sufficiently microscopic to allow image resolution comparable to that possible with the light microscope ( about 0.2 micron ) ; secondly , the thickness of the fluorescent ...
Page 981
A more significant difference between the x - ray and light image is the relatively large amount of scattered radiation in the light micrograph from dust particles and , especially , from the edge of the Mylar . This scattered light ...
A more significant difference between the x - ray and light image is the relatively large amount of scattered radiation in the light micrograph from dust particles and , especially , from the edge of the Mylar . This scattered light ...
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