A person uses corrective glasses of power -8.5 D
(a) Is this person nearsighted or farsighted?
(b) If the glasses are worn 2.0 cm from the eye, what is the person's far point without glasses?
(a) nearsighted
(b) 14. cm
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Indicate whether the statement is true or false
The chromosphere of the sun
a. is hotter than the photosphere. b. appears yellow-white in color during total solar eclipse. c. is the visible surface of the sun. d. produces an absorption spectrum. e. all of the above
Uncertainty Principle Using Momentum and Position: A measurement of an electron's speed is 2.0 × 106 m/s and has an uncertainty of 10%. What is the minimum uncertainty in the position of the electron? (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s)
A. 0.29 nm B. 0.58 nm C. 0.87 nm D. 1.5 nm E. 4.9 nm
Open clusters are found in the ________ of our Milky Way Galaxy
Fill in the blank(s) with correct word