Answer all please

8. Light passes from air into a liquid and is deviated 190 when the angle of incidence is 520. (a)What is the index of refraction of the liquid? (b) Under what conditions will total reflection occur at the liquid-air interface? 9. An amateur lens grinder wants to grind a converging lens of crown glass (n = 1.52) with the same curvature on both sides and a focal length of 25 cm. What radius of curvature must he grind on each face?. 10. An object is placed in front of a concave mirror with a radius of curvature of 0.3 m. If you want to produce first a real image and then a virtual image 3 times as high as the object, the object distance required for real and virtual images respectively are. 11. A light ray of wavelength 589 nm traveling through air is incident on a smooth, flat slab of crown glass at an angle of 30 to the normal. Find: (a) the angle of refraction; (b) the speed of this light once it enters the glass; (c) the wavelength of this light in the glass. 12. A beam of sodium light passes from air into water and then into flint glass, all with parallel surfaces. If the angle of incidence in the air is 45, what is the angle of refraction in the glass? (n = 1.333 and 1.630 for water and flint glass, respectively). 13. For light of wavelength 589 nm, calculate the critical angles for the following substances when surrounded by. air: (a) fused quartz, (b) polystyrene, and (c) sodium chloride. 14. A laser beam is incident at an angle of 30.0 to the vertical onto a solution of corn syrup in water. If the beam is refracted to 19.24 to the vertical, (a) what is the index of refraction of the syrup solution? Suppose the light is red, with wavelength 632.8 nm in a vacuum. Find its (b) wavelength, (c) frequency, and (]) speed in the solution. 15. A concave mirror has a radius of curvature of 24.0 cm. (a) Determine the object position for which the resulting image is upright and larger than the object by a factor of 3.00. (b) Draw a ray diagram to determine the position of the image: (:) Is the image real or virtual