The use of microscope, pick up a prepared slide by its edges and place it on the microscope's stage. Once the slide is in position, clip it into place.
A microscope has a 1 cm focal length objective and a 6 cm focal length eyepiece. If the tube length is 30 cm and the image is formed at the shortest distance of discernible vision.
The focal lengths of the objective and eye lens in a compound microscope are 2.5 cm and 5 cm, respectively. When an object is placed 3.75 cm in front of the objective and an image is formed at the shortest distance of distinct vision, the distance between the two lenses is equal to the length of the microscopic tube. B. 13.00 cmA. 12.67 cm D. 11.67 cm C. 12.00 cm.
The objective eyepieces of an astronomical telescope have focal lengths of 40 cm and 4 cm, respectively. To observe an object 200 cm from the objective lens.
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