A converging lens will be prescribed by the eye doctor to correct which of the following?
a. farsightedness
b. glaucoma
c. nearsightedness
d. astigmatism
c
Physics & Space Science
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Convert 1.2 × 10-3 to decimal notation
A) 1.200 B) 0.1200 C) 0.0120 D) 0.0012 E) 0.00012
Physics & Space Science
A calorie is about:
A. 0.24 J B. 8.3 J C. 250 J D. 4.2 J E. 4200 J
Physics & Space Science
What is the purpose of the European CHEOPS mission?
A) to precisely measure the properties of known extrasolar planets B) to discover new types of extrasolar planets unobservable with current instruments C) to search for signals from alien civilizations D) to search for new extrasolar planets throughout the entire sky
Physics & Space Science
Doubling the aperture diameter of a camera lens will change the f-number by what factor?
a. 1/4 b. 1/2 c. 2 d. 4 e. 1/3
Physics & Space Science