Why does a soap bubble turn colorless just before it dries up and pops?

Q: Does light also refract at different angle as it enters the same material? Explain

A: Light refracts whenever it travels at an angle into a substance with a different refractive index.…

Q: Soap bubbles exhibit brilliant colors when exposed to sunlight.Explain the concept behind this?

A: It is due to the phenomenon of interface that the exposure of sunlight exhibiting brilliant colors…

Q: When hot air rises from a radiator or heating duct, objects behind it appear to shimmer or waver.…

A: The refractive index of the air depends on the density. The hot air and cold air has…

Q: Why do soap bubbles show glints of random colors?

A: The white light consists of all the colors and when it falls on soap bubble which can be considered…

Q: The image formed on the retina is upside down Truo

A: convex lens  converge the light rays from an object and produces real image

Q: Is a mirage the result of reflection or refraction?

A:

Q: in which of these case ripe banana will appear black when illuminated with red, yellow , green and…

A: A color whish appears to us is due to the reflection of light from a particular surface. The process…

Q: A rainbow viewed from an airplane may form a complete circle. Where will the shadow of the airplane…

A: Rainbows are due to the dispersion of light in the water droplets left on the sky. When a someone…

Q: A rainbow is an example of O dispersion O white light being separated into a spectru O refraction of…

A:

Q: Does the laser beam from the laser device degrade when passing through a glass prism?  *  Yes…

A: Generally lasers are very narrow band. Their bandwidth might be a thousand times narrower than the…

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: Which type of color mixing is used by computer screens?

A: In computer screens, each image pixel emits light. In case of light emitting systems, additive…

Q: In a boutique store with only fluorescent lighting, a customer insists on taking dresses into the…

A: The fluorescent light highlights high frequencies, and do not possess all range of colors to be…

Q: Why are bifocals needed mainly by older persons and notgenerally by younger people?

A: Generally, younger people suffer from either myopia or hypermetropia. Hence, they use a single lens…

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: A very thin stretched soap film looks black. Explain why?

A: The soap film varies in their thickness because the water at the top of the film will find its way…

Q: Why does a clear pool of water always appears to be shallower than actual it is?

A: Let us assume a clear pool has a depth of 'd' meters.    To explain :  Why does the pool appears…

Q: Why can't flat lenses focus light?

A: Flat lens have infinite radius of curvature. Hence, their focal length is also infinite.

Q: what colour light is transmitted through a piece of red glass?

A: When white light passes through the piece of red glass. Green and blue light is absorbed by the…

Q: How does the deviation produced by a triangular prism depend on the color of light incident on it?

A: Deviation of light in a medium depends on the wavelength of light wave that is inversely…

Q: What will be the color of the Lego if orange and violet light will be used?

A: Violet will be the colour

Q: When you look at a thin film of clear oil or gasoline on the surface of water, that film appears…

A:

Q: A Swimmer below the Surface -s another perSon Standing on surface of the water. The the dock appears…

A: 5 ) A swimmer below the surface of the water Sees another person standing on the dock above the…

Q: Can you see a rainbow in the west when the sun is directly overhead? Give a reason for your answer.

A: A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of…

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: Why does smoke from campfire look blue against trees near the ground but yellow against the sky?

A: We see the scattered light from the smoke which is blue in color near the ground, while in the sky,…

Q: In which of these cases ripe bananas appear black- when illuminated with red, yellow, green or blue…

A: The color of the ripe banana must be yellow. Now the question arises what color should be mixed with…

Q: Several raisins are placed in a bowl of water, after 24 hours, why does the water changes color?

A: Raisins swell when they are soaked in water. All of this is due to the osmosis process.

Q: Why do we not see color at the periphery of our vision?

A: Our retina consists of visible light-sensitive cells known as rods and cones, out of these cones are…

Q: What causes the spectrum of colors seen in gasoline splotches on a wet street? Why are these not…

A: The thickness of the gasoline splotches on a wet street is of the order of wavelength of visible…

Q: Does light be towards the normal or away from the normal as it passes from a less dense to a more…

A:

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: What color results when red is subtracted from white light?

A: Step 1White light consists of the mixture of three colors, red, green and blue.

Q: Discuss and explain the relationship of color with wavelength.

A:

Q: Why do blood of injured deep sea divers look greenish-black in underwater photographs taken with…

A: Water has a property to absorb red color light under deep sea and when we capture the photo of…

Q: What will be the color of a sheet of paper containing red pigment when yellow light shines on it?…

A: Answer a) Red , b) Black

Q: A ring with a colorless gemstone is dropped into water. The gemstone becomes invisible when…

A: When light travels from one medium to another having the same index of refraction, neither…

Q: Why can a prism split up visible light?

A: Phenomenon of light bending when it is incident from a denser medium to a lighter medium or vice…

Q: Why does light refract when going from one media to another?

A: When light travels from one medium to another generally two important phenomena take place-…