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1. The total magnification achieved when using a 100x oilimmersion lens with 10x

ID: 4572 • Letter: 1

Question

1. The total magnification achieved when using a 100x oilimmersion lens with 10x binoculars eyepieces is called a. 10x b. 100x c. 200x d. 1000x e. 2000x 2. The most useful adjustment for increasing image contrast inlow power magnification is a. closing down the diaphragm b. closing one eye c. opening up the diaphragm d. placing a drop of oil on the slide e. using a blue filter 3. Before the oil immersion lens is rotated into place, youshould a. center the object of interest in the preceding lens b. lower the stage with use of the coarse focus adjustmentknob c. place a drop of oil on the slide d. Both a and c are correct e. All are correct 1. The total magnification achieved when using a 100x oilimmersion lens with 10x binoculars eyepieces is called a. 10x b. 100x c. 200x d. 1000x e. 2000x 2. The most useful adjustment for increasing image contrast inlow power magnification is a. closing down the diaphragm b. closing one eye c. opening up the diaphragm d. placing a drop of oil on the slide e. using a blue filter 3. Before the oil immersion lens is rotated into place, youshould a. center the object of interest in the preceding lens b. lower the stage with use of the coarse focus adjustmentknob c. place a drop of oil on the slide d. Both a and c are correct e. All are correct

Explanation / Answer

1. D