How does a hologram differ from a conventional photograph?

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: Diffraction explains transmit images over long distances the spreading of light waves from a door…

A: Diffraction is the phenomenon by virtue of which waves will spread around obstacles. Diffraction may…

Q: White light is shone through a cyan filter, what color will the resulting light be? white cyan blue…

A: The white light primarily contains three colors red, green, and blue.

Q: What do you mean by the term Contrast in microscopy?

A: Contrast is basically created when specimen imaging is done. This helps in specifying or making…

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: What is Huygens Principle?

A: Huygen’s principle describes how a wave is propagated.

Q: Why do photographers use a red light in the darkroom when developing black and white film?

A: Black and white film, also known as orthochromatic films, are blue and green sensitive light films.…

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: 17. X-rays diffraction used to study: O Polycrystals O All of them. Single crystal. amorphous…

A: Answer In x ray diffraction crystalline solids have well defined edges and faces and tend to have…

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: What color will a "green" leaf appear under a green laser?

A: Given, A green color leaf appear under a green laser.

Q: Why does the pencil appear to be split in half and fatter at the bottom? light waves are reflected…

A: The pencil appears to be split in half and fatter at the bottom.

Q: Light has been argued to be a wave and then a particle, and then back again. Does this indicate that…

A: According to the corpuscular theory Newton concluded that light is a group of particle and at the…

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: More light is transmitted through a translucent material than through an opaque material. O True…

A: Transparent material : All light is transmitted through such a material. Translucent material : Some…

Q: Why does a white piece of paper appear white in white light, red in red light, blue in blue light,…

A: A piece of paper that appears white in sunlight has the property of reflecting any color that is…

Q: Why does water make a shirt darker?

A: Transparency: When an object is placed in the sight of an eye and a person is still be able to see…

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: Why would the wet road appear to the driver to be darker than the dry road?

A: This phenomenon is based on reflection and refraction basically. We know that the images we see are…

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: Do you think light acts as a particle or as a wave?

A: The light acts as both, a particle as well as a wave. Different experiments are conducted by various…

Q: What type of experimental evidence indicates that light is a wave?

A: The light has both the wave and particle characters. The wave character of light is associated with…

Q: Please state Huygens Principle in your own words

A: Required : Statement of Huygens principle.

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

A:

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: Is light a wave phenomenon? Explain.

A: Light behaves as both Wave and Particle.  Phenomena like reflection, refraction, interference, and…

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

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

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: Why is light sometimes modeled explained as a particle and sometimes as a wave?

A: Answer:-  We know that  Light as being made of  of particles  these particles are called Photons.…

Q: How could you use the spotlights at a play to change the performers’ clothes suddenly from yellow to…

A: The performer is wearing yellow clothes, and we need to change the color to black, using spotlight.

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: Why does the candle light appears dimmer as you move back?

A: The given problem can resolved using the concept of intensity of light.  Intensity of light (I) can…

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…

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: