Why can sunlight that illuminates Earth be approximated by plane waves, whereas the light from a nearby lamp cannot?

Q: Why do objects illuminated by moonlight lack color?

A: Objects illuminated by moonlight do not lack color. It is just that the intensity of moonlight is…

Q: Does the refraction of light make a swimming pool seem deeper or shallower?

A:

Q: In a movie theater, you can see the beam of projected light.What phenomenon does this exemplify? Why…

A: Tyndall effect is a phenomenon by which scattering of light occurs in a colloid. The given examples…

Q: What is reflection of light? Also expalin its types.

A: When a ray of light falls on any object (polished, smooth, shiny object), light from that object…

Q: We readily note the bending of light by reflection and refraction, but why are we not aware of the…

A: Given:  bending of light

Q: When light passes from air to glass, how is the angle of incidence related to the angle of…

A: as we know, By Snell's law, for light passing through air to glass,       sin(i)sin(r)=μ2μ1,…

Q: Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes…

A: The airplane can break the sound barrier when it have the effective velocity greater than the…

Q: When light is refracted, it keeps a constant:

A:

Q: What happens to a light ray when it travels from one material into a thicker (denser) material? Into…

A: Light waves change speed when they pass across the boundary between two substances with a different…

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: What is the color of visible light of the lowest frequencies? Of the highest frequencies?

A: Given:  visible light

Q: Why infrared radiations are used for photography in dark?

A:

Q: Name the color of which light which is deviated (a) the most (b) the least on passing through prism.

A: When a white light passes through the prism, the white light gets dispersed into different colors…

Q: Your friend says that the reason the distant dark mountains appear blue is because you’re looking at…

A: I agree with the reason that sky is the reason for the distance dark mountains to appear blue.

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: When does light behave as a wave? When does it behave as a particle?

A:

Q: Why does the sky appear dark instead of blue to an astronaut?

A:

Q: The violet light is bent more than red light. Why?

A:

Q: What is the principle of constancy of light?

A: Principle of constancy of light speed was formulated by Albert Einstein motivated by the result of…

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

A: Answer:-  Refraction:- The change in direction of a wave passing from one medium to another medium…

Q: What is meant by scattering of light?

A:

Q: Can stars be seen from the moon’s surface in the daytime when the sun is shining?

A: On earth surface, there are atmosphere levels where scattering of sunlight occurs in daytime and…

Q: When the "full" moon rises, the color is yellowish while its color directly overhead is white.  Why?

A:

Q: How does the rainbow form with the use of reflection, refraction, and dispersion?

A: A rainbow is a spectrum of light forms when the sun shines on rain drops. It is combined result of…

Q: Do you think that the formation of a rainbow is more a demonstration of the wavelikeor particle-like…

A: Rainbow formation: Rainbow formation is formed due to refraction between water droplets (High…

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: Name the subjective property of light related to its wavelength.

A: The subjective property of light related to its wavelength is colour .

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: 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: Does a single raindrop illuminated by sunlight deflect light of a single color or does it disperse a…

A:

Q: Were you able to infer the literary meaning of the word " light"?

A: The quanta of light is Photon. So, we can say that " Light is the wave of photon".

Q: Will light change direction toward or away from the perpendicular when it goes from air to water?…

A: The light bends away from the normal when light is incidented from a denser medium to a rarer medium…

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: Why does a high flying airplane cast little or no shadow on ground below while a low flying airplane…

A: An aeroplane cast little or no shadow when flying high above the ground whereas a low flying…