QUESTION 5 A simple microscope uses the optical power of two lenses or groups of lenses for magnification whereas a compound microscope uses a single powerful objective lens to achieve much higher magnification of an object. O True O False
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Step 1: A simple microscope uses a single lens, while a compound microscope uses two lenses. Show more…
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Sri K.
If the ocular (eyepiece) on a microscope is marked 10x and the low power objective is marked 15x, then the total magnification is 25x. True False
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QUESTION 7 A microscope that is not parfocal would be difficult to use since it can't reach high magnifications because the lenses are not compound. You would only be able to use one eye. You couldn't estimate the final focal plane at lower magnifications. Oil immersion would not be possible. All of the above are true. QUESTION 8 Immersion oil decreases reflection and refraction. Why does this help microscopy? Higher magnification levels don't refract light. Higher magnification levels need more light. Lower magnification levels don't have any reflection and refraction. Oil immersion would not be possible at lower magnification levels. All of the above are true. QUESTION 9 Using the 40X objective lens on the compound microscope with a 20X ocular lens gets what final magnification? 2x. 60x. 80x. 800x. 6000x.
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