212. assignment (focal point)
You want to create a spotlight that will shine a bright beam of light with all of the light rays parallel to each other. You have a large concave spherical mirror and a small lightbulb. Where should you place the lightbulb?
a. at the point, because all rays bouncing off the mirror will be parallel.
b. at the focal point of the mirror
c. at the radius of curvature of the mirror
d. none of the above, you cant make parallel rays with a concave mirror
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a. at the point, because all rays bouncing off the mirror will be parallel.
b. at the focal point of the mirror
c. at the radius of curvature of the mirror
d. none of the above, you cant make parallel rays with a concave mirror
Video description:
https://youtu.be/iUULAaEOA4w
Follow the links to:
Visit our website: https://onlinetutors.top
Choose your tutor here: https://onlinetutors.top/crossroad#section-1-link
Get homework answers here: https://onlinetutors.top/crossroad#section-2-link
Submit new assignment here: https://onlinetutors.top/crossroad#section-3-link
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