sidered cheating before final use of electronic devices other than allowed c alc

Question

sidered cheating before final use of electronic devices other than allowed c alculators for ANY PURPOSE is consi Answer all questions. Show all numbers. work for partial/full credit-give symbolic solutions The figure below shows an oscillation on an oscilloscope screen. 2V/DIV and 5ms/DIV. Calculate the following L. The knobs are set to a. The period of oscillation. b. The peak-to-peak voltage. 2. An optical system has a concave lens with a focal length of 0.2m, an object distance of 0.6m, and object height of 0.3m. Calculate the following: a. The image distance. b. The image height.

Explanation / Answer

(2)

Given that,

f = 0.2 m

u = 0.6 m

ho = 0.3 m

(a)

From lens equation,

1 / v - 1 / u = 1 / f

1 / v - 1 / 0.6 = 1 / 0.2

v = 0.15 m

(b)

Magnification, M = -v / u = hi / ho

-0.15 / 0.6 = hi / 0.3

hi = -0.075 m

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