1. When an object is 15 cm in front of a concave mirror, the image is 2.0 cm in front of the mirror. What is the focal length of the mirror? 2. A 1.5-cm tall flower is 5.0 cm from a spherical concave mirror. If
1. When an object is 15 cm in front of a concave mirror, the image is 2.0 cm in front of the mirror. What is the focal length of the mirror? 2. A 1.5-cm tall flower is 5.0 cm from a spherical concave mirror. If
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Transcribed Image Text:1. When an object is 15 cm in front
of a concave mirror, the image is
2.0 cm in front of the mirror. What
is the focal length of the mirror?
2. A 1.5-cm tall flower is 5.0 cm
from a spherical concave mirror. If
the image of the flower is 4.0 cm
tall, how far is the image from the
mirror?
3. A beam of light, traveling in air,
strikes a plate of transparent
material at an angle of incidence
of 56.0°. It is observed that the
reflected and refracted beams
form an angle of 90.0°. What is
the index of refraction of this
material?
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