A) Find the focal length of the lens that produces the image described in the pr

Question

A) Find the focal length of the lens that produces the image described in the problem.

B) Is the lens converging or diverging?

C) What is the magnification of the lens?

D) The image is ... and ...(Choose two of the following words: real, virtual, upright, inverted)

For parts e-g consider a diverging lens with focal length f = ?15cm, producing an upright image that is 5/9 as tall as the object.

E) Is the image real or virtual?

F) What is the object distance?

G) What is the image distance?

For parts h-k consider a lens placed at the origin with its axis pointing along the x axis produces a real inverted image at x = ?24cm that is twice as tall as the object.

H) What is the image distance?

I) What is the x-coordinate of the object?

J) Is the lens converging or diverging?

K) Find the focal length of the lens.

Explanation / Answer

A) Find the focal length of the lens that produces the image described in the problem.

ans- 6.67 cm

B) Is the lens converging or diverging?

ans- converging

C) What is the magnification of the lens?

ans- (- 1.25)

D) The image is ... and ...(Choose two of the following words: real, virtual, upright, inverted)

ans- real and inverted

E) Is the image real or virtual?

G) What is the image distance?

ans- (- 6.67 cm)

H) What is the image distance?

ans- 24 cm

I) What is the x-coordinate of the object?

ans- x = 12 cm

J) Is the lens converging or diverging?

ans- converging

K) Find the focal length of the lens.

ans- f = 8 cm

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