You’re explaining to a youngster at the seashore why the water is cyan colored. The youngster points to the white- caps of overturning waves and asks why they are white. What is your answer?

Q: During a lunar eclipse, the Moon is not completely dark but is usually a deep red in color. Explain…

A: Given: Lunar eclipse

Q: n2 -13.4 cm- 15.0 cm

A: Total internal refraction: When a light beam approaching towards medium lower Refractive index via…

Q: A fishing vessel with the green light on its deck, 7.5 meters above the water, disappears from the…

A:

Q: 11. What is the contrast of a red text (reflectance = 12%) on a yellow paper (reflectance = 80%)? a.…

A: given: R(red) =12% = 0.12R(yellow) = 80% = 0.80

Q: In a piece of glass, does the index of refraction depend on the wavelength of the incoming light?…

A:

Q: Light traveling through a piece of amber enters a piece of germanium. The index of refraction of…

A: solution is given as

Q: When moonlight strikes the surface of a calm lake, what happens to this light? Select one O a. All…

A:

Q: An incident wave of light travels through glass (n = 1.5) to water (n = 1.33) a angle of 35°.

A:

Q: If the speed of light in a diamond is 12.4 million m / s, then the diamond refractive index is 1.24…

A:

Q: Optical fibre works on the: A. principle of refraction B. total internal reflection C. scattering D.…

A: Given:-             By using the optical fiber internal reflection is:

Q: As light exits a prism_________causes the white light to spread out into the visible rainbow of…

A: Solution:- Option A. Diffraction

Q: The apparent position of the fish is different from the actual position of the fish. What has…

A: By analysing the given option and figure we will answer the given question.

Q: You see colors with a prism because  Polarization Dispersion  Diffraction  Interference…

A: Prism is an optical object which refracts the light passing through it. When a white light passes…

Q: What is the index of refraction for a material if the speed of light in this material is 1.41 x 108…

A:

Q: When a ray of light strikes the boundary of two media such as air and glass, a part of the light is…

A:

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: When moonlight strikes the surface of a calm lake, whathappens to this light?(a) All of it reflects…

A: When moonlight strikes the calm lake, the moon under the water is visible, which indicates that some…

Q: Interference patterns inside a primary rainbow are called. A. haloes C. supernumerary bows B.…

A:

Q: White light shines on a sweater and green light is found to be missing after reflection. What color…

A: White color is a mixture of all seven primary colors.

Q: The refractive index of glass is 1.5. What is the speed of light in glass? (Speed of light in vacuum…

A: Given that the Speed of light ( c)  in vacuum is 3.0 × 108 m s-1 , refractive index of glass( ng )…

Q: What is the speed of light in polystyrene if its index of refraction is 1.49? Express your answer in…

A: Given Data: The index of refraction is: μ=1.49 The speed of light in polystyrene is, v=cμ Here, c is…

Q: The disturbance of light wavefront from the relatively separated upper and lower surfaces of a…

A: It is required to choose the correct option from the given.

Q: Why can't flat lenses focus light?

A: Flat lens have infinite radius of curvature. Hence, their focal length is also infinite.

Q: The shining of a diamond is due to of light: O a. refraction O b. total internal reflection O c.…

A:

Q: What color light will produce white light when mixed with magenta light?   a. Cyan   b. Blue…

A: What color light will produce white light when mixed with magenta light?

Q: Which of the following colors is bent the least as it exists a prism? a. blue b. yellow c. green…

A: The light with more wavelength will bend least through prism.

Q: The spoon appears to be broken where it enters the water because a) the light is reflected by the…

A: Refraction is an optical phenomenon where when a light ray travels between two mediums, then the…

Q: The speed of the light is maximum in A) Air B) Vacuum C) Water D) Glass

A: The correct option is (B). The speed of light is maximum in vacuum.

Q: The index of refraction of glass is 1.55. The speed of light in the glass A. is the same as in the…

A: Given data:  The index of refraction of glass is nglass  = 1.55

Q: Immiscible liquids (ones that do not mix) can be placed on top of each other in a glass. Each layer…

A:

Q: When white light disperses as it passes through a prism, which of the following colors moves at  the…

A:

Q: 45. When a monochromatic beam of light traveling in are enters a glass block along a path normal to…

A:

Q: As a light wave moves from air to glass what will happen? What is the name for this behavior of the…

A: Light waves will change speed when they pass across the boundary between two different media of…

Q: room with a white lamp, I look at it through a filter that (in sunlight) lets yellow light through.…

A: In a room with a white lamp, I look at it through a filter that (in sunlight) lets yellow light…

Q: The color of the outer edge of the primary rainbow is A. blue B. orange C. red D. violet The…

A: The primary rainbow includes colors violet, indigo, blue, green, yellow, orange, and red from inner…

Q: Refraction changes the of water) of a wave. (think about light entering a bucket O neither speed or…

A: When  а  wаve  trаvels  frоm  оne  medium  tо  аnоther  medium,  the  wave  сhаnges  its  direсtiоn…

Q: A light ray passes from air through a glass plate with a refractive index of 1.60 into water. The…

A:

Q: Choose the BEST answer to the following: Polarization is a property of (a) transverse waves. (b)…

A: The waves having displacement in the perpendicular direction with respect to the propagation…

Q: Heavy flint glass has an index of refraction of 1.65. What is the speed of light in this medium?…

A:

Q: When a pulse of white light is incident on a piece of glass, the first color of the seven colors in…

A: As light goes from one medium to other, frequency remains the same. Velocity of the wave is,

Q: Have you experienced walking on a street and noticed an image of a small billboard from afar?…

A:

Q: A glide reflection is an isometry True or false

A: First of all , Glide reflection is Transformation composition with which firstly translation…

Q: The bending of light when it passes around a corner or a slit is due to ______.   A) reflection…

A: Light is a form of electromagnetic energy caused by the movement of excited electrons. A wave…

Q: The law of reflection applies only to surfaces that are smooth on the scale of the wavelength of…

A: Ans is True

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: