Refractions - Page 2
Questions
- What does the word refraction mean?
- What is the speed of light in air? in crown glass?
- What is the angle of refraction if a ray of light passes from water into air at an angle of 30 degrees?
- Two rays of light are incident normally on a tub of height #H# filled with water. They pass through glass slabs of heights #h_1# and #h_2#. If the speed of light in vacuum is #c#, what is the time difference between the rays of light to reach the bottom?
- What must be the index of refraction of the liquid such that the direction of the light entering the liquid is not changed?
- Does refraction change the direction of light when it passes from air to glass?
- Why don't we get color or detail information from our peripheral vision?
- Who invented the law of refraction?
- How does the index of refraction relate to speed of light?
- Predict why the refractive index of air is slightly higher than the refractive index of a vacuum?
- How does refraction affect the appearance of the sky?
- How is refraction related to lenses?
- Refractive index = #sin i/sin r# or #sin r/sin i#. what does it tell? and ABOUT WHAT?
- The frequency of a wave is #5.1*10^14# #Hz#. The speed of a wave in a certain medium is #2.1*10^4# #m##/s#. What is the index of refraction of the medium?
- A beam of light in air hits a sheet of float glass at an angle of 30.0 . What is the angle of refraction of the light ray?
- The answer should be ?
- A ray of light travels from air into a liquid, The ray enters the liquid at an angle of 30.0°. The angle of refraction is 22.0°. Using Snell’s law, calculate the: index of refraction of the liquid. What might the liquid be?
- The speed of light in certain transparent is two fifth of its speed in air the index of refraction is?
- What is the frequency of blue light that has a wavelength of 463 nm?
- Calculate the relative permittivity of a KCl crystal at optical frequencies?