15. A positive test charge of 5.00 E-5 C is placed in an electric field. The force on it is 0.751 N. The magnitude of the electric field at the location of the test charge is (5 points) 1.50 E4 N/C O 1.52 E5 N/C 3.75 E4 N/C 3.75 E5 N/C 6.75 E4 N/CAll changes saved 1 1 A B W Q 1. As the pendulum swings from position A to position B, what is the relationship of kinetic energy to potential energy (neglect friction)? (5 points) The kinetic energy increase is equal to the potential energy decrease. O The potential energy increase is equal to the kinetic energy decrease. The kinetic energy and potential energy remain the same. O The kinetic energy increase is more than the potential energy decrease.6. Match the object positions with the image positions for a convex lens. (4 points) a. Between f and 2f 2f 2f b. At 2f 7. c. Beyond 2f d. No image 2f 2f 2. 2f 2f 3. 2f 2f 4.light ray air water C B W Q 11. A Which of the rays drawn above would be correct as the light goes from the air into the water? (5 points) O B O c1 12 3 W Q 14. Which angle is the angle of reflection? (5 points) O 1 2 O 310. Complete the ray diagram below: The image characteristics are _. (2 points) Ocm 1 2 10 11 12 13 14 O upright, virtual, and smaller O upright, real, and same size O inverted, virtual, and smaller inverted, real, and same sizeW Q 2. (06.07 MC) Which factor limits interference between waves? (2 points) O A constant phase relationship between waves O Similar wave amplitudes Unequal wavelengths O Radiation through the same region