What is the maximum current that can be drawn from a 1.50-V battery with an internal resistance of 0.30 ohm?
A) 2.5 A
B) 5.0 A
C) 0.45 A
D) 0.20 A
E) 4.5 A
Answer: B
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If you shined a light through air into water, glass, or a diamond, at an angle of incidence of 0,-70.70, would the angle of Use Snell's Law and the table below to calculate the angle of refraction 0, be the same in each medium?U refraction 0, for each medium. Note that the index of refraction of air (n) is 1.00, rounded to the nearest 0.01. Ro Sin2 Medium Water Glass Diamond n2 1.33 1.52 .42 0, show calculator readin SIN
Meteor showers are generally named
A. after the Greek gods and goddesses. B. after the comet to which they belong. C. after the constellation from which they appear to diverge. D. after the planet from which they seem to come to Earth.
A He-Ne laser, which produces light of wavelength 632.8 nm, is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.5° from the central spot, what is the distance between the slits of the grating?
A) 0.905 µm B) 1.81 µm C) 2.20 µm D) 3.62 µm E) 4.52 µm
General relativity is most concerned with
A) acceleration. B) gravitation. C) space-time geometry. D) all of these E) none of these