Q: If light moves from medium A to medium B its velocity reduces by half, the ratio of refractive index…
A:
Q: If light moves from medium A to medium B its velocity reduces by half, the ratio of refractive index…
A: Given Speed of light in medium A=v m/s speed of light in medium B=v/2 m/s
Q: Light enters from air to glass having refractive index 1.50. What is the speed of light in the…
A:
Q: Light normally travels in straight lines, but it “bends” in an optical fiber. Explain.
A: Given: Light bends in the optical fibre
Q: The index of refraction in a certain precious transparent stone is 2.35. What is the speed of light…
A: Given that - the index of refraction in a certain precious transparent stone. To Find - We have to…
Q: A beam of unpolarised light is sent through two polarizing sheets placed one on top of the other.…
A: The correct option is A : Half the incident intensity.
Q: What happens to a light wave when it hits a surface that has a lower index of refraction? a) It…
A: Given : What happens to the phase of reflected light when a light wave when it hits a surface that…
Q: Visible light has relatively short wavelengths. Therefore, when visible light passes through an open…
A: Ans- (d) There will not be any diffraction at all.
Q: Ground wave is always polarized. O Vertically O Horizontally Either vertical or horizontal Neither…
A: Given :-polarization of ground wave .
Q: An incident wave of light travels through glass (n = 1.5) to water (n = 1.33) a angle of 35°.
A:
Q: When light is incident on an interface between two materials with different index of refraction, the…
A: According to Fermat's principle, the light travels between two points in such a way that it…
Q: Which are more easily diffracted by ordinary objects, AM radio waves or FM radio waves? Explain why
A: AM radio waves.
Q: When a beam of light passes from air into water it undergoes a change of A) Frequency and wavelength…
A: The frequency of light does not change when it travels from one medium to another.
Q: Which 2 statements about waves diffracting after passing through an opening are true? * If the…
A: Condition for perfect diffraction :- the slit width should be of the order of the wavelength of 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: The colors in a rainbow are caused by(a) the interaction of the light reflected from…
A: A rainbow is the phenomenon which is caused by reflection, the refraction and the dispersion of…
Q: 3) In the question above, when a light ray enters glass (n = 1.52), what is the speed of light in…
A:
Q: An ordinary incident light strikes a smooth window glass plate that is 5.0 mm thick and has a…
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Q: 6. The process by which light can be naturally polarized is outlined in: a. The laws of reflection…
A: Light is polarized by Brewster's law :- When unpolarized light is incident at the angle of…
Q: ) When two light waves are out of phase with one another: They will cancel out They will be…
A: When two light waves are out of phase with one another they will cancel out . because Destructive…
Q: Which of the following differentiates light waves from sound waves? a. Dispersion b. Polarization…
A: Answer- Option (b) Polarization
Q: glass ray of light strikes a piece of glass (n = 1.5), making an angle of 30° with the surface. What…
A: According to Snell's law Refractive index = sini/sinr
Q: 29) When light falls on a clean glass block of refractive index 1.5, it is found using a polariod…
A: This question can easily be solved by applying the basic concepts of polarization of light .
Q: Light waves require a medium in order to transfer energy. O True O False
A: There are two types of waves depending upon the direction of propagation relative to the vibration…
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: A light traveling from a first to a second medium is bent because (a) they have different…
A: When refractive index is different, light gets refracted (or bent) at the interface of the two…
Q: . Each 1.0 mm of a filter through which light passes reduces the intensity of the light by 12%. How…
A: Given: Each 1 mm of filter reduces the light by 12 % We want the intensity to be reduced by 20%
Q: Light in air approaches the boundary of oil at an angle of 36.1 degress with respect to the normal.…
A:
Q: How might you determine the speed of light in a solid, rectangular, transparent object?
A: When a light ray enters a solid rectangular object, it will exit the other side, slightly displaced…
Q: When light’s speed is reduced as the light traverses a medium, this is responsible for A) refraction…
A: When light travel from one medium to another medium speed of light will change When light travel…
Q: Does Huygens’ principle apply to sound waves? To waterwaves? Explain how Huygens’ principle makes…
A: To explain: Whether Huygen's principle applies to sound waves and water waves or not.
Q: Light can be split into a spectrum using dispersion. This happens because a) different colors…
A: Light can be split into a spectrum using dispersion. We have to give the reason for above statement.
Q: 45. When a monochromatic beam of light traveling in are enters a glass block along a path normal to…
A:
Q: The bending of a light wave because of a change invelocity is called ___________.
A: Refraction: - When light is passed from medium 1 to medium 2 the, bending of light occurs due to a…
Q: A ray is _______. (a) always parallel to other rays (b) parallel to the velocity of the wave (c)…
A: Option (b) parallel to the velocity of the wave
Q: 1. Red light is curved the most. 2.EM waves are 'transverse' waves. 3. Frequency is measured in…
A: Given statement : 1) Red light is curved the most
Q: A light ray passes from air through a glass plate with a refractive index of 1.60 into water. The…
A:
Q: diamond
A: The solution can be given as follows :-
Q: What happens to a light wave when it hits a surface that has a higher index of refraction? a) It…
A: Here given the light rays come and hits the surface with higher refractive index.We have to choose…
Q: The bending of light when it passes around a corner or a slit is due to ______. A) reflection…
A:
Q: The fact that light can be polarized and sound cannot be polarized can be best explained by which?…
A: Light is a Transverse wave by nature which means its direction of propagation is perpendicular to…
Q: When white light is separated into its colors by a glass prism, blue light is bent at the greatest…
A: The light which have more wavelength will scatter less and will have less dispersion. When white…
Q: The speed of light in a certain material is 50% of its speed in vacuum. What is the refractive index…
A: Given Speed of light in a certain medium is 50% of its speed in vacuum Let's c…
Q: 94. A ray of monochromatic light is incident on an air-sodium chloride boundary as shown in the…
A: Given data: Ray's nature is monochromatic. Incident medium is air. Second medium is sodium chloride.
Q: The frequency of a light wave in air is 5.3×1014Hz . Is the frequency of this wave higher, lower, or…
A: As light go from one medium to other medius it's wavelength and velocity changes but it's frequency…
Q: If there is NO light reflected from an object, what will you see? O Nothing/Black O Roy G Biv O…
A: In this problem, it is asking if there is no light reflected from an object, what will you see?
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…
A linearly polarized light wave is always
a) in x-y plane.
b) a transverse wave.
c) a longitudinal wave.
d) in y-z plane.
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- Unpolarized light in vacuum is incident onto a sheet of glass with index of refraction n. The reflected and refracted rays are perpendicular to each other. Find the angle of incidence. This angle is called Brewsters angle or the polarizing angle. In this situation, the reflected light is linearly polarized, with its electric field restricted to be perpendicular to the plane containing the rays and the normal.Light is incident on a heavy glass slab of refractive index 1.6. The speed of light in the glass is A) 3.0 x 108 m/s. B) 2.5 x 108 m/s. C) 1.88 x 108 m/s. D) 1.5 x 10-8 m/s.Which of the following statements is true for the direction of polarization for a polarized light wave? a. It is parallel to the direction of propagation and perpendicular to the direction of the electric field. b. It is perpendicular to the direction of propagation and parallel to the direction of the electric field. c. It is parallel to the directions of propagation and the electric field. d. It is perpendicular to the directions of propagation and the electric field.
- The speed of light in a vacuum is 3.00 ´ 108 m/s. If the refractive index of diamond is 2.42, what speed does light travel as it passes through a diamond? a) 5.8 ´ 107 m/s b) 7.26 ´ 108 m/s c) 1.24 ´ 108 m/s d) 5.8 ´ 108 m/sIf the index of refraction of glass for red light is 1.45, what is the speed of a light, the speed of a photon, in the glass? The same as the speed it would have in a vacuum, that is the same as "c" Faster than the speed it would have in a vacuum by the factor 1.45 Dependent on the energy or power in the light Slower than the speed in vacuum by the factor 1/1.45If a beam of polarized light has one-tenth of its initial intensity after passing through an analyzer, what is the angle between the axis of the analyzer and the initial amplitude of the beam? a. 68.214° b. 70.478 c. 71.565° d. 86.214°
- When light moves from a material with a smaller index of refraction into a material with a larger index of refraction what happens to the light? A. Its speed and wavelength increase but the frequency stays the same. B. It's speed a decreases but it's frequency and wavelength stays the same. C. Its speed and wavelength decreases and its frequency stays the same. D. Its speed decreases but its wavelength and frequency both increase. E. It's speed wavelength and frequency all increase.5. When light goes from one material into another material having a higher index of refraction, A. its speed decreases but its wavelength and frequency both increase. B. its speed and wavelength decrease, but its frequency stays the same. C. its speed, wavelength, and frequency all decrease. D. its speed increases, its wavelength decreases, and its frequency stays the same. E. its speed decreases but its frequency and wavelength stay the same.Question) The electric field component of a 5.6 GHz plane wave is given by: E(r,t)= â‚ (0.4915+ j0.8550)e¯573.0795* e¯j330.8676re-j240.8519z +â, (-1.4224– j0.4702)e +â.(0.7844– j1.3885)e-8* 2-j$73.0795x x,¯j330.8676y o]240.8519z e -j$73.0795x 2-j330.8676 y-j 240.8519z 1. Determine the wave vector 2. Determine the wavelength inside the medium 3. Determine the free space wavelength 4. Determine the refractive index of the medium 5. Determine the dielectric constant of the medium 6. Determine the polarization of the wave 7. Determine the magnitude of the wave
- What is the speed of light traveling from air to a medium of refractive index n=1.5? (Speed of light in vacuum is 3.0 × 108 m/s) O 3.0 x 108 m/s. O 1.5 x 108 m/s. O 2.0 × 108 m/s. O 0.67 x 108 m/s. O 0.75 x 108 m/s.1. Light having a certain frequency, wavelength, and speed is traveling through empty space. If the frequency of this light| were doubled, then A. its wavelength would remain the same, but its speed would double. B. its wavelength would remain the same, but its speed would be halved. C. its wavelength would be halved, but its speed would double. D. its wavelength would be halved, but its speed would remain the same. E. both its speed and its wavelength would be doubled.14) The index of refraction of diamond is n = 2.42. What is the speed of light in diamond? A) 0.41 x 10% m/s B) 3.0 x 10% m/s C) 7.26 x 108 m/s D) 1.24 x 108 m/s E) 2.42 x 108 m/s
