Practice Image Formation By Convex Lens (5.4)

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9 questions

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Exercise
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the position of the image when the object is at infinity?
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Think about where the light rays converge.
Question 2.
Describe the image characteristic when the object is at 2F1.
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Consider the relationship between object distance and image distance.
3Question 3.
What type of image is formed when the object is at 2F1?
- Enlarged
- Diminished
- Same Size
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Recall the specific point regarding position and size.
4Question 4.
True or False: An image formed at F2 when the object is at infinity is virtual.
- True
- False
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Consider the characteristics of images formed by convex lenses.
Question 5.
An object is placed 60 cm from a convex lens with a focal length of 15 cm. Calculate the image position and its nature.
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Use the lens formula carefully by substituting focal length and object distance.
Question 6.
If the object distance is changed to 5 cm while using the same lens of focal length 12 cm, where is the image, and what is its nature?
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Find 'v' using the lens formula, mind the signs for distances.

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