A 2-inch, f/4 reflector has a focal length of:
6 inches
8 inches
4 inches
2 inche...
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An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
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The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .
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When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical
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