**I\'d like to mention that this seems like a long problem. It\'s the way it\'s

Question

**I'd like to mention that this seems like a long problem. It's the way it's listed on mastering Physics, but please give feedback if it needs to be posted on Cramster as several individual questions. Thanks****

A) The same object is placed at different distances in front of six different concave spherical mirrors. Each mirror has the focal length listed below.

d = 15 cm d= 5cm d= 20cm d= 15cm d= 10cm d= 10cm
f = 5 cm f= 20cm f= 10 cm f= 20 cm f= 20cm f = 5 cm

Which of the above scenarios produce a real image, and which produce a virtual image?

B) Which, if any, of these scenarios produce an inverted image? Which produce an upright image?

d = 20cm d = 5 cm d = 15 cm d = 10cm d = 10cm d = 15 cm
f = 10 cm f= 20cm f= 20cm f= 5 cm f = 20 cm f = 5cm


C) Rank the following from largest to smallest.

d = 10 cm d = 10cm d = 5 cm d = 15cm d = 15cm d = 20cm
f = 5 cm f = 20cm f = 20 f = 5cm f= 20cm f = 10 cm

Explanation / Answer

a) to have real image. d must larger than f. so it is 1,2 and 6. b) inverted is when d>f (Real image). 1,4,6 the others cause upright c) M=-f/(d-f)=-1/(d/f-1). we have. d/f of those. 2 ... 0,5 ... 0,25 .... 3 ..... 0.75 .... 2. ---- so M (value) 1 ... 2 ......4/3 ....0.5 .....4 ..... 1 so it is. 5, 2, 3, 1, 6, 4

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