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Please help with question 4 Need formulas and how to work

Please help with question 4 Need formulas and how to work
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Top Answer

Please see the attached... View the full answer

9 comments
  • When I submit it is showing it as incorrect
    • eharrah
    • Apr 03, 2018 at 3:13am
  • The answer with sign will be -0.09
    • biswa_92
    • Apr 03, 2018 at 3:22am
  • I got the same answer but workbook keeps stating it's wrong.....?
    • eharrah
    • Apr 03, 2018 at 3:28am
  • Is the answer need to be rounded up to specified significant figures ?
    • biswa_92
    • Apr 03, 2018 at 3:32am
  • Also you can try the fractional form, m= - 22/237
    • biswa_92
    • Apr 03, 2018 at 3:35am
  • I was just thinking maybe it needs to be rounded up. I am at a loss.
    • eharrah
    • Apr 03, 2018 at 3:36am
  • Nope. I tried rounding.....
    • eharrah
    • Apr 03, 2018 at 3:38am
  • Maybe there is a problem with the workbook! The magnification will be -0.09 according to the given data. thank you,
    • biswa_92
    • Apr 03, 2018 at 3:43am
  • Thank you. Starting to think it is wrong. :-(
    • eharrah
    • Apr 03, 2018 at 3:44am

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Other Answers

object is placed at 259 cm Do = 259 cm Focal length = 22 cm using the mirror... View the full answer

14 comments
  • So -1.09?
    • eharrah
    • Apr 03, 2018 at 3:15am
  • magnification factor is -1.09
    • flynn2179
    • Apr 03, 2018 at 3:16am
  • negative value suggests that the image will be inverted of the object
    • flynn2179
    • Apr 03, 2018 at 3:17am
  • Der, student, Please follow the calculation, if you need precised answer. Calculations are correct. DO comment if have any doubt
    • flynn2179
    • Apr 03, 2018 at 3:20am
  • I typed into workbook and it said incorrect?
    • eharrah
    • Apr 03, 2018 at 3:20am
  • I dont see any error, try to write +1.09
    • flynn2179
    • Apr 03, 2018 at 3:27am
  • may be only magnitude of magnification is asked ( irrespective of +/- sign)
    • flynn2179
    • Apr 03, 2018 at 3:28am
  • I tried that also. I got 0.09. When I first went through I am not sure what I have done wrong. Will try again.
    • eharrah
    • Apr 03, 2018 at 3:31am
  • I am not sure, but as per my knowledge, the calculations have no error
    • flynn2179
    • Apr 03, 2018 at 3:36am
  • Ok. Thank you. I am rechecking my calcs.
    • eharrah
    • Apr 03, 2018 at 3:37am
  • Good luck, Do post, I wouldn't mind answering your comments
    • flynn2179
    • Apr 03, 2018 at 3:38am
  • visit page of physics classroom, regarding the same, you might find some calculated examples
    • flynn2179
    • Apr 03, 2018 at 3:40am
  • Thanks
    • eharrah
    • Apr 03, 2018 at 3:41am
  • Will do. Thank you
    • eharrah
    • Apr 03, 2018 at 3:43am

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