# Refractions - Page 3

Questions

- What are the laws of refraction?
- Rydberg gave the equation for all visible radiation in the hydrogen spectrum as #lambda = (kn^2)/(n^2-4)#. The value of k in terms of Rydberg constant is ? (1) 4R (2) R/4 (3) 4/R (4) R
- Light is refracted through a diamond. If the angle of incidence is 38 ◦, and the angle of refraction is 16 ◦, what is the index of refraction?
- 5.does light travel from water into air for every angle of incidence? Explain why?
- What is the wavelength of radio waves that have a frequency of 530 kHz (5.3 × 10^5 Hz) and a speed through air of 3.00 × 10^8 m/s?
- What is the frequency in hertz of blue light having a wavelength of 425 nm?
- The critical angle for a substance is measured at 53.7°. Light enters from air at 45° . What is the refractive angle?
- Light in air approaches thw boundary of oil at an angle of 36.1° with respect to the normal. The light travels at a speed of 2.27x10^8 m/s through the oil. Determine the angle of refraction?
- A light beam is incident on a piece of fused quartz (n=51.458) at the Brewster's angle. Find(a)the value of Brewster's angle and (b)the angle of refraction of the transmitted ray?
- A transparent oil of index of refraction 1.29 spills on the surface of water n=1.33 ,producing a maximum of reflection with normally incident orange light(wavelength 600nm in air).Assume max occurs in first order,determine thickness of oil slick?
- Light traveling through air at #3.00*10^8# #m##/##s# reaches an unknown medium and slows down to #2.00 * 10^8# #m##/s.# What is the index of refraction of that medium?
- If the index of refraction of water is 1.33, what is the speed of light in water?
- The refractive index of water is 1.33. What is the angle of refraction if light (in air) strikes water at an angle of incidence of a 24°?
- A certain type of glass has an index of refraction of 1.60. What is the critical angle between this type of glass and air?
- How do you know that light waves are being refracted when they pass from the air to the water in a glass?
- What is the frequency of light with the energy of 720nm?
- Light traveling in air hits a diamond surface at 42° to the normal. To what angle is it refracted in the diamond?
- Question related to the angle of refraction?
- What is the index of refraction of a medium where the light travels in with a speed of #2.5 times 10^8# #m##/##s#?
- A certain rifle bullet has a mass of 7.17 g. What is the de Broglie wavelength of the bullet traveling at 790.6 meters per second?