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Roughing It with Science A professor shipwrecked on
Chapter 27, Problem 74P(choose chapter or problem)
Problem 74P
Roughing It with Science A professor shipwrecked on Hooligan’s Island decides to build a telescope from his eyeglasses and some coconut shells. Fortunately, the professor’s eyes require different prescriptions, with the left lens having a power of +5.0 diopters and the right lens having a power of +2.0 diopters. (a) Which lens should he use as the objective? (b) What is the angular magnification of the professor’s telescope?
Questions & Answers
QUESTION:
Problem 74P
Roughing It with Science A professor shipwrecked on Hooligan’s Island decides to build a telescope from his eyeglasses and some coconut shells. Fortunately, the professor’s eyes require different prescriptions, with the left lens having a power of +5.0 diopters and the right lens having a power of +2.0 diopters. (a) Which lens should he use as the objective? (b) What is the angular magnification of the professor’s telescope?
ANSWER:
Step 1 of 3
(a)
Here we need to select the lens that can be used as an objective lens in the given telescope. The left lens has refractive power and the right lens has the refractive power .