To reduce glare from the surroundings, the windows of some department stores, rather than being vertical, slant inward at the bottom. How does this reduce glare?

Q: A man shines a flashlight from a boat into the water, illuminating a rock as in the figure below.…

A: According to Snells law                                            n1sinθ1=n2sinθ2             where…

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: A ray of light in water 1n = 1.332 strikes a submerged glass block at an angle of incidence of…

A: n1 = 1.332  Angle of incidence, i = 55° Angle of refraction, r = 37°

Q: Which of the following phenomenon contributes significantly to the reddishappearance of the sun at…

A: The wavelength of red light is maximum

Q: Can you see the rays from the sun on a clear day? Why or why not? How about when they stream through…

A:

Q: A ray of light, P moving in air strikes a glass slab as shown below. Air 55 03 R Glass Slab The…

A: Angle of incidence:-Angle of incidence is defined as angle between normal and incident ray. In given…

Q: Light strikes the 70° glass prism (n = 1.51) with an angle of incidence of 50.0°. Calculate the…

A:

Q: A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 30.0°.…

A:

Q: otal internal reflection is used to A. Transmit light in optical fibers B Diffuse light C…

A: Optical fiber :             An optical fiber is a cylindrical wave guide made of transparent…

Q: Light in air enters a diamond (n = 2.42) at an angle of incidence of 30.00. Determine the angle of…

A: Using Snell’s law,

Q: Rainbow is produced when the sunlight is ____________ by the clouds/droplets. a. reflected →…

A: Given: Rainbow is produced when the sunlight is ____________ by the clouds/droplets.

Q: Lamp Wall Red Apple A. Circle the main type of reflection for the following objects: a. Ceiling:…

A: Circle the type of reflection for the following objects.

Q: A man shines a flashlight from a boat into the water, illuminating a rock as in the figure below.…

A:

Q: From inside an aquarium, a ray of light is directed at the glass so that the angle of incidence in…

A: Angle of incidence in water = 52oRefractive index of water = 1.33 Refractive index of glass = 1.5

Q: The deflection of light particles passing through a particular medium is called refractive index.…

A: Given Statement-1: the direction of light particles passing through a particular medium is called…

Q: what happens as you increase the angle of incidence?

A: Angle of incidence is the angle made by incident ray with the normal when it is incident on a…

Q: For each angle of incidence, the corresponding value of angle of reflection is different A .a same A…

A:

Q: Refraction causes many phenomena in our everyday lives. Which phenomena is not caused by refraction?…

A: We have to choose the correct alternative mentioning the name of phenomena that is not caused by…

Q: The Law of Reflection The reflected angle of light is dependent on:  (Circle all that apply:) 1.…

A:

Q: One technique for measuring the angle of a prism is A parallel beam of light is directed onto the…

A: To show: The angular separation of the two reflected beams is B=2A

Q: A ray in air is incident on a glass plate whose index of refraction is 1.26. The angle of refraction…

A: Write the given values with the suitable variables. n1=1n2=1.26θ2=θ12 Here, n1, n2, θ2, and θ1 are…

Q: 18. What is the angle of incidence of the ray of light in the image? 30°i 30° 60° 60° O 30 degrees O…

A: It is being asked to tell the angle of incidence in the given image.

Q: A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 30.00.…

A: The angle of refraction from Snell’s law is,

Q: The lens nearest the viewer’s eye is called the________.

A: The lens nearest the viewer’s eye is called the Eyepiece . An eyepiece is the lens which is…

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: As is shown, a ray of light in air strikes a glass plate (n = 1.50) at an incidence angle of 50°.…

A:

Q: What is the reason why a green colored shirt looks green?

A: An object color appearance depends on the wavelengths of light which reflected by the object to an…

Q: Is the smallest angle of incidence at which all light striking the surface is totally internally…

A: Total internal reflection : When a ray of light moves from a denser medium to a rarer medium it…

Q: A beam of light is incident upon a flat piece of glass (n=1.50) at an angle of incidence 30°. Part…

A: Given : angle of incidence, i = 30 °            refractive index of prism, n = 1.5

Q: A man shines a flashlight from a boat into the water, illuminating a rock as in the figure below.…

A: Solution:

Q: Why does water appear cyan?

A: Water molecule absorbs red light very strongly, so when red light is subtracted from the white light…

Q: Air Glas Glass Air A ray of light enters a glass plate whose index of refraction is 1.5 at an angle…

A: Given: A ray of light enters a glass plate whose index of refraction is ng=1.5 at an angle of…

Q: A beam of light traveling in air strikes a glass slab at an angle of incidence less than 90°. After…

A: When light travels from one medium to another then ;  When denser to rarer then it bends away from…

Q: Why does the Sun look reddish at sunrise and sunset but not at noon?

A: The sun appears reddish at sunrise and sunset due to the scattering of light due the small air…

Q: When a fish looks up at an angle of 45 degrees with the horizon, does it see the sky or the…

A: The incident light from the sky travels through the air and when it enters the water medium it gets…

Q: why light cannot easily escape a diamond ?

A: Question: Why light cannot easily escape diamond?   Answer: Suppose a diamond is in the air.  A ray…

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: Determine the force exerted on the perfectly reflecting surface when 47.0 mW beam of radius 1.50 mm…

A:

Q: As shown, a layer of water covers a slab of material X in a beaker. A ray of light traveling upward…

A: here,θ1=90-65θ2=48nw=43

Q: Which of the following actions performed on a rough metal surface significantly increases the…

A: Polishing is a finishing technique that is used to smoothen rough surfaces using an abrasive…

Q: Refractive index of diamond is 2.4, speed of light in air is 3 × 10% m/s. Calculate speed of light…

A: Given data:  Refractive index (n) = 2.4 Speed of light in air (c) = 3×108 m/s Required: Speed of…

Q: 01 2.82 m | +1.83 m-→ 6.

A: Using Snell’s law and trigonometry identity,

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: