When viewing an object with a magnifying glass whose focal length is 10 cm, a student positions the lens so that there is minimum eyestrain. What is the observed magnification?
Answer to relevant QuestionsA physics student uses a converging lens with a focal length of 14 cm to read a small measurement scale. (a) Maximum magnification is achieved if the image is at (1) the near point, (2) infinity, (3) the far point. Explain. ...A compound microscope has a distance of 15 cm between lenses and an objective with a focal length of 8.0 mm. What power should the eyepiece have to give a total magnification of – 360x? A specimen is 5.0 mm from the objective of a com-pound microscope that has a lens power of + 250 D. What must be the magnifying power of the eyepiece if the total magnification of the specimen is – 100 x? A terrestrial telescope has three lenses: an objective, an erecting lens, and an eyepiece. (a) Does the erecting lens (1) increase the magnification, (2) increase the physical length of the telescope, (3) decrease the ...From a spacecraft in orbit 150 km above the Earth’s surface, an astronaut wishes to observe her hometown as she passes over it. What size features will she be able to identify with the unaided eye, neglecting atmospheric ...
Post your question