A high-quality diamond may be quite clear and colorless, transmitting all visible wavelengths with little absorption. Explain how it can sparkle with flashes of brilliant color when illuminated by white light.

Q: The index of refraction of diamond is 2.42.  By definition, this means that a given wavelength of…

A: Given : Index of refraction of diamond (n) = 2.42

Q: Why does the sky sometimes appear whitish?

A: Our atmosphere consists of large number of dust and other air particles. According to their size of…

Q: When sunlight enters the earth's atmosphere, state which color of light is scattered (i) the most…

A: When sunlight enters the earth’s atmosphere, violet colour is scattered the most and red the least…

Q: Soap bubbles exhibit brilliant colors when exposed to sunlight.Explain the concept behind this?

A: It is due to the phenomenon of interface that the exposure of sunlight exhibiting brilliant colors…

Q: in which of these case ripe banana will appear black when illuminated with red, yellow , green and…

A: A color whish appears to us is due to the reflection of light from a particular surface. The process…

Q: Could x-ray diffraction effects with crystals be observed by using visible light instead of x rays?…

A: The diffraction effects with crystals cannot be observed by visible light.

Q: A ray of white light traveling through air enters a triangular prism that has an index of…

A: Given data: The refractive index of the prism experienced by the red light is, μR=1.515 The…

Q: More light is transmitted through a translucent material than through an opaque material. O True…

A: Transparent material : All light is transmitted through such a material. Translucent material : Some…

Q: What color of light will be transmitted through overlapping cyan anf magenta filters?

A: The complementary colour of magenta is green.

Q: A ray of white light traveling through air enters a triangular prism that has an index of refraction…

A: Given:Index of refraction of triangular prism for red light, μr = 1.313Index of refraction of…

Q: When dispersing white light, the largest difference between the incidence and refracted angle will…

A: Dispersion of light is a phenomenon in which white light splits into its component colors.…

Q: Can reflection result in plane polarised light if the light is incident on the interface from the…

A: when the light is incident on the given surface a part of it will transmitted and reflected ( the…

Q: Why are wavelengths 0.5~2.5Å normally used for diffraction analysis?

A: Step1 - Here, we will understand the diffraction.               When the waves travelling in any…

Q: Why does light from two bulbs not form a interference pattern?

A:

Q: In our everyday environment, diffraction is much more evident for sound waves than for light waves.…

A:

Q: What happens when coherent light shines on an object with an edge or aperture?

A: To determine: What will happen when the coherent light shines on an object with an edge or aperture?

Q: Opaque objects cannot be viewed through a compound light microscope, why?

A: The objects across which light cannot pass through are known as opaque objects. Whereas the objects…

Q: In the same soil deposit, if the incident wave at the boundary is inclined at a 30° angle, determine…

A: Given:  Incident ray in the denser medium, the angle of incidence is 30 degree.

Q: The light from an Argon laser has a wavelength of 514.5 nm in air. As the light travel from air into…

A:

Q: Why is a secondary rainbow dimmer than a primary bow?

A:

Q: How does the refractive index of a medium depend on its temperature?

A: The refractive index of the medium depends on its temperature.

Q: Why does smoke from campfire look blue against trees near the ground but yellow against the sky?

A: We see the scattered light from the smoke which is blue in color near the ground, while in the sky,…

Q: The optical fiber has a core with a refractive index of 1.47, and a cladding with a refractive index…

A: Given: Refractive index of core n1=1.47, Refractive index of cladding  n2=1.46. Required: Amount of…

Q: Why are interference colors primarily cyan, magenta and yellow?

A: Interference importantly acts to cancel the reflection of one colour.

Q: Several raisins are placed in a bowl of water, after 24 hours, why does the water changes color?

A: Raisins swell when they are soaked in water. All of this is due to the osmosis process.

Q: The minimum value of the refractive index is: zero 1 dess than 1 but not zero O more than 1 O None…

A:

Q: Light will not pass through a pair of Polaroid sheets when they are aligned perpendicularly.…

A: Light will not pass through a pair of Polaroid sheets when they are aligned perpendicularly, Because…

Q: How is the difference in paths taken by two originally in-phase light waves related to whether they…

A: For constructive interference,

Q: A ray of white light traveling through air enters a triangular prism that has an index of refraction…

A:

Q: The minimum value of the refractive index is: O zero 0 1 O less than 1 but not zero O more than 1…

A: This question they have asked the  minimum value of refractive index  Refractive index is the…

Q: Why the Sun and the surrounding sky appears red during Sunrise and Sunset?

A: Sunlight consists of different color with different wavelength which get scattered by the small…

Q: A beam of light is incident at 30° on a piece of glass in air. The dispersion of colors spans 1 mm…

A: Given, nred=1.513 l=10cm d=1mm refractive index of air n1=1 angle of incident ray θ1=30 degree

Q: Calculate the numerical aperture of an optical fibre whose core and cladding are made of materials…

A:

Q: Monochromatic light corresponds to only one color but multiple frequencies. O True False

A: The expression for frequency is given by f=cλ

Q: Describe at least one other factor that affects the transparency of materials except for…

A:

Q: Why do blood of injured deep sea divers look greenish-black in underwater photographs taken with…

A: Water has a property to absorb red color light under deep sea and when we capture the photo of…

Q: The index of refraction of the blue material is greater than that of the outer medium True O False

A: Given: from the diagram. The refracted ray is bent toward the blue material.

Q: Consider light passing from air into water. What is the ratio of its wavelength in water, λw, to…

A: ratio of its wavelength in water, λw, to its wavelength in air, λa

Q: A ray of white light traveling through air enters a triangular prism that has an index of refraction…

A: Refractive index for red light=1.511 Refractive index for violet light= 1.537 Appex Angle =64.8

Q: Why can a prism split up visible light?

A: Phenomenon of light bending when it is incident from a denser medium to a lighter medium or vice…

Q: How can we use interference of light to our benefits in the design of medical optical devices ?

A: Introduction: Interference is defined as the superposition of two waves to form a resultant wave,…

Q: Why will an ideal Polaroid filter transmit 50% of incident nonpolarized light?

A: A polarizing filter is a type of filter used in the front of a camera lens for the purpose of…

Q: Crystal lattices can be examined with x rays but not UV. Why?

A: We know the expression for energy of photon is  E=hcλE α 1λ

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: