Question

A system of two lenses forms an image of an arrow at x = x3 = 61.2 cm. The first lens is a diverging lens located at x = 0 and has a focal length of magnitude $f_1$ = 16.4 cm. The second lens is located at x = x2 = 27.8 cm and has an unknown focal length. The tip of the object arrow is located at (x,y) = ($x_o$, $y_o$) = (-39.4 cm, 21.6 cm). 1) What is $x_1$, the x co-ordinate of image of the arrow formed by the first lens? 2) What is $y_1$, the y co-ordinate of the image of the tip of the arrow formed by the first lens? 3) What is $f_2$, the focal length of the second lens. If the lens is a converging lens, $f_2$ is positive. If the lens is a diverging lens, $f_2$ is negative.

          A system of two lenses forms an image of an arrow at x = x3 = 61.2 cm. The first lens is a diverging lens located at x = 0 and has a focal length of magnitude $f_1$ = 16.4 cm. The second lens is located at x = x2 = 27.8 cm and has an unknown focal length. The tip of the object arrow is located at (x,y) = ($x_o$, $y_o$) = (-39.4 cm, 21.6 cm).

1) What is $x_1$, the x co-ordinate of image of the arrow formed by the first lens?

2) What is $y_1$, the y co-ordinate of the image of the tip of the arrow formed by the first lens?

3) What is $f_2$, the focal length of the second lens. If the lens is a converging lens, $f_2$ is positive. If the lens is a diverging lens, $f_2$ is negative.

A system of two lenses forms an image of an arrow at x = x3 = 61.2 cm. The first lens is a diverging lens located at x = 0 and has a focal length of magnitude f1 = 16.4 cm. The second lens is located at x = x2 = 27.8 cm and has an unknown focal length. The tip of the object arrow is located at (x,y) = (xo, yo) = (-39.4 cm, 21.6 cm).

1) What is x1, the x co-ordinate of image of the arrow formed by the first lens?

2) What is y1, the y co-ordinate of the image of the tip of the arrow formed by the first lens?

3) What is f2, the focal length of the second lens. If the lens is a converging lens, f2 is positive. If the lens is a diverging lens, f2 is negative.

Added by David Z.

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