Question

9.) Determine the focal length of a concave mirror given an object distance equal to 100.00 cm and an image distance equal to 100.00 cm. a.) 37.50 cm b.) 87.50 cm c.) 50.00 cm d.) 22.75 cm Answer __________ 10.) The intensity of the light is 2200 watts/m2 at a distance of 1.50 x 1012 meter from a star. Determine the power output of the star. a.) 3.21 x 1026 watts b.) 6.22 x 1028 watts c.) 7.38 x 1026 watts d.) 9.52 x 1028 watts Answer __________ 11.) Consider a concave mirror with a focal length of 30 centimeters. An object is located at an object distance equal to 45 centimeters. Calculate the image distance. a.) 16.0 centimeters b.) 22.5 centimeters c.) 36.5 centimeters d.) 90.0 centimeters Answer __________ 12.) Consider a concave mirror with a focal length of 30.0 centimeters. An object is located at an object distance equal to 60.0 centimeters. Calculate the image distance. a.) 96.0 centimeters b.) 15.0 centimeters c.) 60.0 centimeters d.) 75.0 centimeters Answer __________

Answer 1