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A 6 cm object is 8 cm from a convex lens that has a focal length of 5 cm. The image is 4 cm from the lens. The height of the image is blank cm. answer has to be in centimeters

A 6 cm object is 8 cm from a convex lens that has a focal length of 5 cm. The image is 4 cm from the lens. The height of the image is blank cm. answer has to be in centimeters
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A 6 cm object is 8 cm from a convex lens that has a focal length of 5 cm. The image is 4 cm from the lens.

The height of the image is blank cm.

answer has to be in centimeters

asked
User Jimh
by
7.8k points

2 Answers

3 votes

Answer: -3

Step-by-step explanation:

Just took the test, Love my fellow cheaters haha

answered
User Adam Quek
by
9.7k points
2 votes
So we want to know the height of the image Hi. The formula for magnification M is:

M=(Hi/H0)=-(Di/D0), where Hi is the height of the image, H0 is the height of the object, Di is the distance of the image form the lens and D0 is the distance of the object from the lens.

Here we have: H0=6 cm, Di=4 cm and D0= 8 cm.

Hi=-(Di/D0)*H0 = -(4/8)*6=-24/8=3 cm.

So the height of the image Hi=3 cm.
answered
User Kuba Szymanowski
by
7.9k points
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