Question

5. Two 10-1F capacitors in parallel are placed in series with another 10-11F capacitor. What is the equivalent capacitance? 1. 35 F 4. 20 LF 7. 5 UF 2. 30 LF 5. 15 F 8. 4 IF 3. 25 UF 9. None of these 6. A beam of light traveling through air with an index of refraction, Nair - 1.0 enters at an angle of Dair = 30° into a glass of fresh water with index of refraction, nwater - 1.33. What will be the angle of transmission (refraction) Owater when the beam enters the water? A. 45° D. 32 G. 15° B. 42° H. 12° C. 35 I. None of these 7. A convex lens of focal length f = 15.0 cm forms a real image at di- 25.0 cm. Where is the object located? A. do = 50.0 cm D. d. - 30.0 cm G do = 17.5 cm B. do -45.0 cm E. d55.0 cm H. d. - 15.0 cm C. d. = 37.5 cm F. d. -- 20,0 cm I. None of these

Answer 1

parallel = 10 + 10 = 20 MF Ceq = 20 (10) 20+0 = 6.66 MF option or None of these nair sineair = nusinor I sin 30 = 1.33 siner or=[220] option or iss - 1 + 1 - 2 - # - do= q = [3715 cm option ©