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A diverging/negative lens has a focal length of -12 cm. A 6.0 cm object is placed at several locations relative to the lens. The locations are (a) 55 cm, (b) 12 cm, and (c) 8 cm from the lens. For each object location near the mirror complete the following tasks.
1. The ray diagram.
2. State whether the image is real or virtual.
3. State whether the image is upright/erect or inverted.
4. State whether the image is enlarged, reduced or the same size as the object.
5. Use the thin lens equation to calculate the image distance.
6. Compute the magnification.
7. Decide the image height.
A 2.0-cm wide diffraction grating has 1000 slits. It is illuminated by light of wavelength 530nm. What are the angles of the first two diffraction orders?
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in a friendly game of handball you hit the ball essentially at ground level and send it toward the wall with a speed of
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Water is flowing through a pipe (area 3.7 cm2) that connects to a faucet adjusted to have an opening of 0.45 cm2. what is its speed as it leaves the faucet
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