An object placed 15 cm in front of a lens forms a real image three times magnified. where is the image formed
1. 45 cm
2. 20 cm
3. 50 cm
4. 5.5 cm
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Answered by
2
Answer:
It will be found to be equal to 6 cm. Thus, object is placed at a distance of 6 cm × 5 = 30 cm from the lens. A concave lens of focal length 15 cm forms an image 10 cm from the lens
Answered by
2
Answer:
my guess is 45
it is mostly correct
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