# What is interference of light discuss about Young’s experiment?

Young’s double slit Experiment The monochromatic light from source S falls on the slits S1 and S2 which are at a distance d from each other, and act as coherent sources of light, due to which the waves coming from them superimpose and a pattern of interference is obtained.

## What is the interference of light Class 12?

Interference of light is a special phenomenon that is produced by two or more same coherent sources and same frequency not necessarily the same amplitude.

## How do you demonstrate light interference?

One of the best examples of the interference of light is demonstrated by the light reflected from a film of oil floating on water. Another example is the soap bubble illustrated in Figure 1 that reflects a variety of beautiful colors when illuminated by natural or artificial light sources.

## What is interference class 12 Example?

Interference is the phenomenon of superimposition of two or more waves having the same frequency emitted by coherent sources such that amplitude of resultant wave is equal to the sum of the amplitude of the individual waves.

## What is interference of light with diagram?

The phenomenon of addition or superposition of two light waves which produces increase in intensity at some points and a decrease in intensity at some other points is called interference of light.

## What are the types of interference of light?

• Constructive interference.
• Destructive interference.

## What is the main principle used in interference?

For explanation: Superposition principle is the basic principle used in the interference of light. When the incoming light waves superimpose constructively, the intensity increases while when they add destructively, it decreases.

## Who discovered interference of light?

Thomas Young, (born June 13, 1773, Milverton, Somerset, England—died May 10, 1829, London), English physician and physicist who established the principle of interference of light and thus resurrected the century-old wave theory of light. He was also an Egyptologist who helped decipher the Rosetta Stone.

## What is the main condition to produce interference of light?

The conditions for the interference of light are as under. (i) In interference the source of light should be monochromatic. (ii) Here waves should be of the same frequency. (iii) Direction of waves should also be the same.

## What are the applications of interference of light?

(1) Used for very accurate determination of the wavelength of light. (2) Used for checking the planeness of a surface. (3) Used for measuring small distances such as compression and elongation in metal rods or crystals.

## What is the importance of interference?

Importance of Interference Effects The phenomenon of interference is of great importance in optics in general, and also in laser physics. Some examples: Interference governs the operation of interferometers, which are used in many variations for a wide range of applications, and is the basis of holography.

## What are the two basic types of interference?

Constructive interference: When the amplitude of the waves increases because of the wave amplitudes reinforcing each other is known as constructive interference. Destructive interference: When the amplitude of the waves reduces because of the wave amplitudes opposing each other is known as destructive interference.

## What are the two main kinds of interference?

There are two different types of interference: proactive interference and retroactive interference.

## What is interference in Newton’s ring experiment?

Newton’s rings are interference patterns formed by light incident on the thin film of air between a convex lens and a flat (or between two suitable lenses).

## What is interference write an example for it?

When two stones are dropped into a pool of water, waves spread out from each source, and interference occurs where they overlap. Constructive interference results where the crest of one coincides with the crest of the other.

## What is the order of interference?

The difference in the number of wavelengths along the paths of two constructively interfering rays of light.

## What is the effect on interference pattern?

(d) As the source slit width increases, fringe pattern gets less and less sharp. When the source slit is so widethen the interference pattern disappears.

## What are the three types of interference?

Common examples include: Electromagnetic interference (EMI) Co-channel interference (CCI), also known as crosstalk. Adjacent-channel interference (ACI)

## Can white light produce interference?

Yes, white light can produce interference. In this, each wavelength of white light produces its own interference pattern. If the angle of the fringes is large, fringes is large fringes overlap basically producing white light.

## What is intensity of light?

Luminous intensity, the quantity of visible light that is emitted in unit time per unit solid angle. The unit for the quantity of light flowing from a source in any one second(the luminous power, or luminous flux) is called the. lumen. The lumen is evaluated with reference to visual sensation.

## Is interference a property of all waves?

Interference effects can be observed with all types of waves, for example, light, radio, acoustic, surface water waves, gravity waves, or matter waves.

## How many properties light have?

The primary properties of light are intensity, propagation direction, frequency or wavelength spectrum and polarization.

## Is diffraction a type of interference?

Interference is a property originated by waves from two different coherent sources, whereas secondary wavelets that originate from the same wave but occur from different parts of it, produce a phenomenon termed as Diffraction. These both sound alike, however, they are entirely different by nature.

## What type of wave is light?

1. Light as a wave: Light can be described (modeled) as an electromagnetic wave. In this model, a changing electric field creates a changing magnetic field. This changing magnetic field then creates a changing electric field and BOOM – you have light.