Draw the given vectors in a single graph using polygon rule and find the resultant of vectors A and B. A = 50 N 60 deg B = 30 N 30 deg C= 80 N 250 deg D= 70 N 45 deg
Q: > Question 43 A converging lens has a focal length of 20.0 cm. What is the magnification of the…
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A: How do you identify that any lens which forms an image has a positive or negative focal length?
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