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bandzswagg123
24.02.2021 •
Physics
EXERCISE 1
An object and an image are displayed on either side of a lens. Copy the figure to your sheet.
A) Calculate the focal length using the lenses formula.
B) Determine where the focal length should be, using the light construction beams.
C) Draw the light beam that illuminates the entire lens from point B. Draw how it continues after the lens.
D) Measure the focal length, object distance and image distance and write it down as shown in the figure under the graph paper.
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Ответ:
When an atom loses electron(s) it will lose some of its negative charge and so becomes positively charged. A positive ion is formed where an atom has more protons than electrons. In the opposite case when an atom gains electron(s) it becomes negatively charged
Explanation:
i'm sorry if is wrong