Physics, 30.09.2021 09:40 dorianhenderson987
The refractive index of glass is 1.52 and the refractive index of Perspex is 1.49 which statement is correct
A) Light moves faster in Perspex than in glass
B) Light moves fastee in glass than in Perspex
C) The speed of light is the same in glass and in Perspex
D) There is no relationship between the refractive index and the speed of light
Answers: 3
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Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
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