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13.11.2020 •
Physics
What sound frequency could a human detect?
1 hertz
10 hertz
50 hertz
50,000 hertz
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Ответ:
10 HRTS
Explanation:ES CUNDO AELGUIENTEUSURRA A SL OIDO
DENADA
Ответ:
The wrong type of lens-Microscope, concave
Explanation:
A microscope Basically uses two convex lenses to magnify an object, or specimen.
There are 2 lenses in a microscope
Object Lens:The lens that is closer to the objectEyepiece:The lens that is closer to the eyeBoth the object lens and the eyepiece, is a convex lens.