Arranging a colorless gemstone in water When immersed, the gemstone becomes invisible. Is it possible that it is a diamond? Explain.

Q: Why do wet objects normally look darker than the same objects when dry?

A: When light is incident on the wet objects, it undergoes internal reflection multiple times in the…

Q: Light normally travels in straight lines, but it “bends” in an optical fiber. Explain.

A: Given:  Light bends in the optical fibre

Q: 125 RB Vs 1.5 SiliconD1 5 0.7

A: Concept used: Voltage gets distributed in direct proportion of resistances. Current remains same in…

Q: . Explain with the help of a diagram,

A: Given;  Why pencil partly immersed in water appears to be bent  at the water surface.  Explain with…

Q: 30. Which of the following transparent fibers, with their respective n indicated, can be used as an…

A: Given:refractive index of the outside liquid, nl = 1.3Asked:which optic fiber must be used inside…

Q: A = 2î + 3j + 4k B = î – 2j + 3k Find : 1- A + B 2- A - B В 3- 4 A – B

A: Given data:  A→ = 2i^ + 3j^ + 4k^B→ = i^ - 2j^ + 3k^

Q: 5. Structure factor of diamond. The crystal structure of diamond is described in Chapter 1. The…

A:

Q: 2) During your summer vacation abroad, you decide to use a hotel's outdoor swimming pool. The depth…

A: According to Snell's law, the path taken by light crossing a surface separating contacting…

Q: Chromatic aberration is the result of    a. reflection.   b. straight ray propagation.   c.…

A: The cause of chromatic aberration is asked in the question.

Q: If the index of refraction of material 1 is n1 = 1.27 and of material 2 is n2 = 1.41, then a total…

A: Total internal reflection occurs when light travels from an optically denser medium (higher…

Q: How can a clear object be transparent and visible at the same time?

A: When we put the pure water in a extra clear glass, it makes transparent system of glass and water.…

Q: 1. Define the refractive index, and what is its importance? 2. When does Snell's law apply? 3. You…

A: Optical density of a material is measured as refractive Index.  Means if the medium is denser that…

Q: Structure factor of diamond. The crystal structure of diamond is described in Chapter 1. The basis…

A: The crystal structure of a diamond is a variation of the face-centered cubic (FCC) crystal…

Q: the reflectivity of t of the medium.

A: The electromagnetic waves are nothing oscillating electric and magnetic waves. Both the quantities…

Q: Q.4. The refractive index of a liquid is 1.4104 at 20 °C. Calculate the refractive index of the…

A: Refraction: The change in direction of a wave travelling from one medium to another caused by its…

Q: y Do Clothes Appear Darker When They Get Wet? Sup

A: Total internal reflection is defined as the phenomenon which occurs when the light rays travel from…

Q: Less dense medium Denser medium 90° I 47° I 43° 1 What is the critical angle? 90° 90°

A: Critical angle is defined as the angle with the normal of the ray by which it's just reflected.

Q: -Find the critical angle between a water-diamond interface.

A:

Q: A very thin stretched soap film looks black. Explain why?

A: The soap film varies in their thickness because the water at the top of the film will find its way…

Q: Consider three colorless cube (X, Y and Z) with different refractive indices (nx = 1.1, ny = 2.2 and…

A: Option B is correct

Q: Consider the internal reflection of light at the interface between water and ice. For convenience,…

A: To calculate the minimum angle at which the total internal reflection will occur between water and…

Q: Arranging a colorless gemstone in water When immersed, the gemstone becomes invisible. Is it…

A: Given Arranging a colorless gemstone in water When immersed, the gemstone becomes invisible. Is it…

Q: Diffusion by reflection from a rough surface is described in this chapter. Light can also be…

A: When light is incident on to a surface and gets reflected at more than one angle then this nature of…

Q: Light passes from air "air into an unknown material at an angle of incidence 0, = 37°. If the angle…

A: n1=1n2=?θ1=370θ2=300c=3×108m/sv=?

Q: 4. Structure factor of diamond. The crystal structure of diamond is described in previous…

A:

Q: 4. Calculate and record the percentage error of fexp compared to the known value (standard) of the…

A:

Q: A ring with a colorless gemstone is dropped into water. The gemstone becomes invisible when…

A: When light travels from one medium to another having the same index of refraction, neither…