Will light change direction toward or away from the perpendicular when it goes from air to water? Water to glass? Glass to air?

Q: Which of the two prisms. A made of crown glass and B made of flint glass, deviates a ray of light…

A: Prism B will deviate the ray of light more as flint glass has higher refractive index compared to…

Q: What is reflection?

A: Reflection can be defiend in many ways:1. Reflection is a phenomena in which rays of light (or waves…

Q: Does light travel faster through the lower atmosphere or through the upper atmosphere?

A: Given:   Light travelling in a medium

Q: As a beam of light enters a swimming pool, it will because light when they pass from one waves…

A: To determine: Fill in the blanks.

Q: Why can sunlight that illuminates Earth be approximated by plane waves, whereas the light from a…

A: Explanation:

Q: How does reflection lead to the formation of images?

A:

Q: A flashlight at the bottom of a swimming pool shines upward at an angle with the surface, as in the…

A:

Q: Would refracting telescopes and microscopes magnify if light had the same speed in glass as in air?…

A: Refractive index is the ratio of speed of light in vacuum to the speed of light in the medium. If…

Q: Does a diamond under water sparkle more or less than in air? Defend your answer.

A: Diamond shines less in air than in the water. The two major concepts are: Critical angle…

Q: The law of reflection says that all light reaching aboundary between two surfaces is reflected

A: According to law of reflection, all light reaching at boundary between two surface is reflected.

Q: When does a convex lens act like a magnifying glass?

A:

Q: When the wheel of a cart rolls from a smooth sidewalk onto a plot of grass, the interaction of the…

A: Given: Light

Q: How does the distance from a page to a light bulb affect the amount of light that illuminates the…

A: The illumination of a light bulb depends on the intensity of the light bulb. Higher the intensity at…

Q: A friend says, in a profound tone, that light is the only thing we can see. Is your friend correct?

A: In the electromagnetic spectrum, we can only see the frequencies which lie in the visible range.

Q: When your eye is submerged in water, does the speed of light increase, decrease, or remain constant…

A: The refractive index of cornea is 1.376, while that of water is 1.33.

Q: When a beam of light exits water it "speeds up". What happens to the angle of refraction?

A:

Q: How does the speed of light in glass change on increasing the wavelength of light?

A: Speed of light in the glass:

Q: Why light is refracted when enter from one medium to another medium?

A: To determine:      Why light is refracted when enter from one medium to another medium?

Q: Can light bend around corners?

A: Yes, Light does bend around the corners.

Q: bend" when it travels through optical fibers?

A: Given:  Optical fiber

Q: are opaque glasses better than amber colored glasses in light protection?

A: Amber glasses are the of dark version of yellow , red or orange glasses which  are good for light…

Q: Under what circumstances is the phase of light changed by reflection? Is the phase related to…

A: When the polarized beam of light is entered into any medium the light beam will get partially…

Q: When a wide beam of parallel light enters water at an angle,the beam broadens. Explain.

A: When a wide beam of parallel light enters water at angle, it interacts over an area which is wider…

Q: When light enters a medium with a lower refractive index, it bends ________________________ the…

A:

Q: what happens to light when it falls upon a material that has natural frequency above or below to…

A: Light will get reflected back to the same medium when the frequency of light is lower or higher than…

Q: Is the speed of light in glass independent of the colour of light? If not, which of the two colours…

A:

Q: How does the angle at which a ray of light strikes a pane of window glass compare with the angle at…

A: A ray of light strikes on the surface of glass.

Q: When light enters a material of higher index of refraction, its speed

A: Check next step

Q: When a fish in a pond looks upward at an angle of 45°, does it see the sky above the water’s surface…

A: A fish in the pond looks upwards at an angle of 45o.

Q: What is meant by saying surface is optically flat?

A: The surface is said to be optically flat if it has good polished surface or in other words the…

Q: Which characteristic of light remains unchanged when it travels from vacuum to some medium?

A: The velocity and wavelength changes as the medium changes. The frequency remains constant if the…

Q: What is reflection? kindly answer it on your own understanding.

A: We have seen many live examples of reflections in our day to day life. Reflection can be of…

Q: Light travels fastest through which of the following? air glass vacuum water

A: Refractive index for air : 1.000293 Refractive index for glass : 1.5 Refractive index for vacuum :…

Q: When does a light beam have only a single frequency?

A: A light beam can never have only one frequency even a photon never has only one frequency. These…

Q: What happens when light reflects from a medium having an index of refraction greater than that of…

A: Snell's law gives the relationship between the angles of incidence and angle of refraction when a…

Q: What object position with respect to the single converging lens would result in a magnified real…

A: Object must be placed between between 2F(Centre of curvature) and  O( optical centre of lens) to…

Q: When white light is incident on water at an angle, which color refracts the most?

A: The refraction  of light depends upon upon the wavelength of light. The shorter the wavelength of…

Q: Which color has the greater speed in glass?

A: The wavelength of violet light is shortest and it bend the most. And the wavelength of red color is…

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: