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Which one of the following figures shows the smallest angle of incidence in the water for...
Which one of the following figures shows the smallest angle of incidence in the water for...
Which one of the following figures shows the smallest angle of
incidence in the water for which no light emerges into air?
Problem 11 Which one of the following figures shows the smallest angle of incidence in the water for which no light emerges into air? Note: Only one figure is physically possible 43.6° (a) (b) 66.5! Water Water 11 = 1.33 11 = 1.33 glass 1 = 1.45 glass 11 = 1.45 48.8° air Il = 1.00 air n...
Problem 1: One of the angles of a prism is 9 degre The prism is made of glass of inde of efracticon 1.58. If a ray of light enters this prism at an angle of incidence of 70 degrees, as shown in Figur...
Problem 1: One of the angles of a prism is 9 degre The prism is made of glass of inde of efracticon 1.58. If a ray of light enters this prism at an angle of incidence of 70 degrees, as shown in Figure, what is the angle at which this ray emerges? 90° 70°
Problem 1: One of the angles of a prism is 9 degre The prism is made of glass of inde of efracticon 1.58. If a ray...
1) What is the smallest angle with respect to the normal should light be incident onto...
1) What is the smallest angle with respect to the normal should light be incident onto a water-air interface from the water side so that it does not escape into air (assume the refractive index of water is 1.33): A) 20 B) 10.5 C) 48.8 D) 50.2 2) A fish appears to be 9.00 m below the surface of a pond when viewed almost directly above by a fisherman. What is the actual depth of the fish? (lwater= 1.33) !!...
6. [15 ptsJTwo glass plates are 15.0 cm long. At one end they are in contact, at the other end they are separated by 0.03 mm. Assume normal incidence with a monochromatic light (wavelength in air...
6. [15 ptsJTwo glass plates are 15.0 cm long. At one end they are in contact, at the other end they are separated by 0.03 mm. Assume normal incidence with a monochromatic light (wavelength in air is 50nm) a) Is the fringe at the line of contact bright or dark? Explain your answer. What is the spacing of the bright b) If the glass plates have n 1.6 and space between plates contains water (n 1.33). Is the fringe at...
The diagram shows light incident from above on a film of thickness d. Each of the...
The diagram shows light incident from above on a film of thickness d. Each of the three materials in the figure can be chosen to be air, with index of refraction n=1.00, water, with index n=1.33, or glass, with index n=1.50. Under which of the following conditions will the reflected light be completely or nearly eliminated by interference? (lambda2 refers to the wavelength of the light inside the thin film.) (Note: In the case that d<<<lambda2, you can assume the...
Combinations of Thin Films (MC) Due in 2 hours, 18 minutes The diagram shows light incident...
Combinations of Thin Films (MC) Due in 2 hours, 18 minutes The diagram shows light incident from above on a film of thickness d. Each of the three materials in the figure can be chosen to be air, with index of refraction n-1.00, water, with index n-1.33, or glass, with index n-1.50. Under which of the following conditions will the reflected light be completely or nearly eliminated by interference? (lambda2 refers to the wavelength of the light inside the thin...
Partner: Date Name 11 Snell's Law Introduction When light passes from one material to another it ...
Partner: Date Name 11 Snell's Law Introduction When light passes from one material to another it is always bent away from its original path. This process is known as refraction and the change in direction depends on the change in optical density (or refractive index) of the two materials. A larger change in refractive index results in a larger change in angle between incoming and outgoing light beams. A light beam bends closer to the normal in the material with...
13. A thin glass plate with the refractive index n has to surfaces which are not...
13. A thin glass plate with the refractive index n has to surfaces which are not exactly parallel. In the interference image obtained in the reflected light under nearly nor- mal incident angles the distance between the dark stripes is found to be Ar. The wavelength is . Find the angle a between the plate surfaces. (1p) 14. Total internal reflection is observed in glass (n=1.5) and in water (n=1.33) at identical incidence angles. In which case the penetration depth...
water interface (the surface of the lake), it is partly reflected back into the air and...
water interface (the surface of the lake), it is partly
reflected back into the air and partly refracted
or transmitted into the water. This explains why on the surface of
a lake sometimes you see the reflection of the surrounding
landscape and other times the underwater vegetation.
These effects on light propagation occur because light travels at
different speeds depending on the medium. The index of refraction
of a material, denoted by n, gives an indication of the speed of...
(a) Briefly explain what is meant by the following terms: refraction, refractive index, angle of incidence,...
(a) Briefly explain what is meant by the following terms: refraction, refractive index, angle of incidence, angle of refraction. [4 marks] (b) The drawing shows four different situations in which a light ray is traveling from one medium into another. In some of the cases, the refraction is not shown correctly. For cases (i), (ii), and (iii), the angle of incidence is 55°; for case (iv), the angle of incidence is 0°. Identify which cases are incorrectly drawn and determine...
Which one of the following figures shows the smallest angle of
incidence in the water for which no light emerges into air?
Problem 11 Which one of the following figures shows the smallest angle of incidence in the water for which no light emerges into air? Note: Only one figure is physically possible 43.6° (a) (b) 66.5! Water Water 11 = 1.33 11 = 1.33 glass 1 = 1.45 glass 11 = 1.45 48.8° air Il = 1.00 air n...
Problem 1: One of the angles of a prism is 9 degre The prism is made of glass of inde of efracticon 1.58. If a ray of light enters this prism at an angle of incidence of 70 degrees, as shown in Figure, what is the angle at which this ray emerges? 90° 70°
Problem 1: One of the angles of a prism is 9 degre The prism is made of glass of inde of efracticon 1.58. If a ray...
1) What is the smallest angle with respect to the normal should light be incident onto a water-air interface from the water side so that it does not escape into air (assume the refractive index of water is 1.33): A) 20 B) 10.5 C) 48.8 D) 50.2 2) A fish appears to be 9.00 m below the surface of a pond when viewed almost directly above by a fisherman. What is the actual depth of the fish? (lwater= 1.33) !!...
6. [15 ptsJTwo glass plates are 15.0 cm long. At one end they are in contact, at the other end they are separated by 0.03 mm. Assume normal incidence with a monochromatic light (wavelength in air is 50nm) a) Is the fringe at the line of contact bright or dark? Explain your answer. What is the spacing of the bright b) If the glass plates have n 1.6 and space between plates contains water (n 1.33). Is the fringe at...
Combinations of Thin Films (MC) Due in 2 hours, 18 minutes The diagram shows light incident from above on a film of thickness d. Each of the three materials in the figure can be chosen to be air, with index of refraction n-1.00, water, with index n-1.33, or glass, with index n-1.50. Under which of the following conditions will the reflected light be completely or nearly eliminated by interference? (lambda2 refers to the wavelength of the light inside the thin...
Partner: Date Name 11 Snell's Law Introduction When light passes from one material to another it is always bent away from its original path. This process is known as refraction and the change in direction depends on the change in optical density (or refractive index) of the two materials. A larger change in refractive index results in a larger change in angle between incoming and outgoing light beams. A light beam bends closer to the normal in the material with...
13. A thin glass plate with the refractive index n has to surfaces which are not exactly parallel. In the interference image obtained in the reflected light under nearly nor- mal incident angles the distance between the dark stripes is found to be Ar. The wavelength is . Find the angle a between the plate surfaces. (1p) 14. Total internal reflection is observed in glass (n=1.5) and in water (n=1.33) at identical incidence angles. In which case the penetration depth...
water interface (the surface of the lake), it is partly
reflected back into the air and partly refracted
or transmitted into the water. This explains why on the surface of
a lake sometimes you see the reflection of the surrounding
landscape and other times the underwater vegetation.
These effects on light propagation occur because light travels at
different speeds depending on the medium. The index of refraction
of a material, denoted by n, gives an indication of the speed of...
(a) Briefly explain what is meant by the following terms: refraction, refractive index, angle of incidence, angle of refraction. [4 marks] (b) The drawing shows four different situations in which a light ray is traveling from one medium into another. In some of the cases, the refraction is not shown correctly. For cases (i), (ii), and (iii), the angle of incidence is 55°; for case (iv), the angle of incidence is 0°. Identify which cases are incorrectly drawn and determine...
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