Diffraction around corners is greater when the ………. is larger. Two point on a wave that are at half-wavelength apart are …….…. degrees out of phase with each other. In a dispersive medium, the speed of light is a function of ………………

Q: What condition must exist so that no phase change occurs at either boundary in a thin film…

A: Option (D) is the right answer

Q: Monochromatic coherent light shines through a pair of slits. If the wavelength of the light is…

A: Monochromatic coherent light shines through a pair of slits. If the wavelength of the light is…

Q: A film on a lens with an index of refraction of 1.5 is 1.0 ×× 10−7−7 m thick and is illuminated with…

A:

Q: What happens to a light wave when it hits a surface that has a lower index of refraction? a) It…

A: Given : What happens to the phase of reflected light when a light wave when it hits a surface that…

Q: Visible light has relatively short wavelengths. Therefore, when visible light passes through an open…

A: Ans- (d) There will not be any diffraction at all.

Q: In a piece of glass, does the index of refraction depend on the wavelength of the incoming light?…

A:

Q: Light travels along the length of a 1500-nm-long nanostructure. When a peak of the wave is at one…

A: a) It is given that the length of the nano structure is 1500nm. Wavelength is the distance between…

Q: Which 2 statements about waves diffracting after passing through an opening are true? * If the…

A: Condition for perfect diffraction :-  the slit width should be of the order of the wavelength of the…

Q: Huygens' principle states that each point of the medium becomes an individual source of circular…

A: The secondary waves are formed from the points on the wavefront. The points on same wavefront have…

Q: Two slits are separated by 0.25 mm and are used to perform a double-slit experiment with a screen…

A:

Q: In an interference pattern of a double-slit experiment, why does a bright band occur where…

A: In an interference pattern of a double-slit experiment , why does a bright band occur where…

Q: What principle is responsible for alternating light and dark bands when light passes through two or…

A: By observing the options we will answer the given question.

Q: If the distance between the first and tenth minima of a double-slit pattern is 18.0 mm and the slits…

A:

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: The definition of 0 degrees Celsius is the equilibrium temperature between water and …………… If two…

A: 1. ice  2. Equilibrium.

Q: In a double-slit interference experiment, a special lamp emitting yellow light from heated sodium…

A:

Q: Does diffraction also occur on sound? Does it behave like a wave? Why?

A: Does diffraction also occur on sound- (YES) Explanation : This is due to diffraction, bending, and…

Q: In diffraction, what happens to the wave when the gap width of the barriers is larger than the…

A: When a wave traveling found a barrier in its way ,it gets spread about the barrier/obstacle. This…

Q: The atmosphere of Jupiter is more than 1000km thick .from the surface of Jupiter would you expect to…

A: Step 1Jupiter doesn’t have a surface; it consists of thick gas or a semi-liquid form due to the…

Q: What happens when coherent light shines on an object with an edge or aperture?

A: To determine: What will happen when the coherent light shines on an object with an edge or aperture?

Q: L 40 cm

A:

Q: Consider two waves of light, A and B. Wave A has a lower frequency than wave B. Then wave B must…

A: Given data: Two waves of light are A and B A has lower frequency fA < fB

Q: If you hold two fingers very close together and look at a brightlight, you see lines between the…

A: The bending of light around the corners of obstacles is known as the diffraction of light which is a…

Q: The separation between adjacent maxima in a double-slit interference pattern using monochromatic…

A:

Q: Under what conditions can light be modeled like a ray? Like a wave?

A: Light can be modeled as a ray when devices are much larger than the wavelength of light. In this…

Q: A parallel beam of light of 600nm falls on a narrow slit and the resulting diffraction pattern is…

A:

Q: You are wearing a red shirt during the video, if you pass in front of the stream of light coming…

A: Generally the colour of an object is due to reflecting a particular colour and absorbing remaining…

Q: Would it be possible to place a nonreflective coating on an airplane to cancel radar waves of…

A: Given,

Q: How is the difference in paths taken by two originally in-phase light waves related to whether they…

A: For constructive interference,

Q: A beam of light is diffracted by a slit of width 0.50 mm. The diffraction pattern forms on a wall…

A: Given Information:- Slit width is d=0.50 mm=0.50 mm×1m103 mm=5.0×10-4 m Distance between the slit…

Q: If you changed out a 10-Watt lightbulb with a 100-Watt lightbulb, what would you observe? O The…

A:

Q: What happens to a light wave when it hits a surface that has a higher index of refraction? a) It…

A: Here given the light rays come and hits the surface with higher refractive index.We have to choose…

Q: Monochromatic light corresponds to only one color but multiple frequencies. O True False

A: The expression for frequency is given by f=cλ

Q: A beam of monochromatic light is diffracted by a slit of width 0.615 mm. The diffraction pattern…

A:

Q: In Young's double-slit experiment the center of a bright fringe occurs wherever waves from the slits…

A:

Q: Monochromatic coherent light passing through two thin slits is viewed on a distant screen. Are the…

A: Given:-

Q: Although we have discussed single-slit diffraction only for a slit, a similar result holds when…

A:

Q: A beam of monochromatic light is diffracted by a slit of width 0.600 mm. The diffraction pattern…

A: Write the expression for width of central maxima.

Q: Red, green and blue light are incident on a thin film. The light that reflects from the surface…

A: When light waves are incident on a thin film then it gets reflected by its upper interface and lower…

Q: For destructive interference, the path difference is an odd number of half-wavelengths even number…

A: When two light waves from different coherent sources meet together, then the distribution of energy…

Q: The law of reflection applies only to surfaces that are smooth on the scale of the wavelength of…

A: Ans is True

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.