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Author Question: A concave mirror has a focal length of 20 cm. What is the magnification if the object and image ... (Read 91 times)

charchew

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Question 1

A concave mirror has a focal length of 20 cm. What is the magnification if the object's distance is 100 cm?

1/2

1/4

2

4

1/4


Question 2

A concave mirror has a focal length of 20 cm. What is the magnification if the object and image distances are 10 cm and 20 cm respectively?

1

2

1/2

1/4

1/2


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Marked as best answer by charchew on Aug 10, 2020

Hikerman221

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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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charchew

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Reply 2 on: Aug 10, 2020
Excellent


helenmarkerine

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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