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Author Question: A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where in the mirror ... (Read 70 times)

sdfghj

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Question 1

A camera has a converging lens with a focal length of 56 mm. If the f-number is 2.8, what is the diameter of the lens (in mm)?

10

31

0.50

20

50


Question 2

A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where in the mirror must he look to see his feet?

1 m from the floor

50 cm from the floor

25 cm from the floor

at the bottom of the mirror

1.5 m from the floor


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Marked as best answer by sdfghj on Aug 10, 2020

janeli1

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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sdfghj

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Reply 2 on: Aug 10, 2020
Great answer, keep it coming :)


tanna.moeller

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Reply 3 on: Yesterday
Gracias!

 

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