Flashcards: Wave Optics

# Flashcards for JEE Physics - Wave Optics Class 12

``` Page 1

Wave Optics
Flash cards
Page 2

Wave Optics
Flash cards
Properties of light (continued)
(i) It exists in the form of energy.
(ii) It travels in straight line with speed 3 x 10
8
m/s in vacuum.
(iii) It's speed is different in different medium.
Page 3

Wave Optics
Flash cards
Properties of light (continued)
(i) It exists in the form of energy.
(ii) It travels in straight line with speed 3 x 10
8
m/s in vacuum.
(iii) It's speed is different in different medium.
Properties of light
(iv) It exhibits the phenomenon of reflection, refraction, interference, diffraction,
photo–electric effect etc. The phenomenon of interference and diffraction indicate
the wave nature of light.
Page 4

Wave Optics
Flash cards
Properties of light (continued)
(i) It exists in the form of energy.
(ii) It travels in straight line with speed 3 x 10
8
m/s in vacuum.
(iii) It's speed is different in different medium.
Properties of light
(iv) It exhibits the phenomenon of reflection, refraction, interference, diffraction,
photo–electric effect etc. The phenomenon of interference and diffraction indicate
the wave nature of light.
Wave Front
The locus of all particles vibrating in the same phase is called wave–front.
(a) Each point of wavefront is considered as source of secondary wavelets.
(b) The ray of light is considered in the direction of outward normal to the wave
front.
Page 5

Wave Optics
Flash cards
Properties of light (continued)
(i) It exists in the form of energy.
(ii) It travels in straight line with speed 3 x 10
8
m/s in vacuum.
(iii) It's speed is different in different medium.
Properties of light
(iv) It exhibits the phenomenon of reflection, refraction, interference, diffraction,
photo–electric effect etc. The phenomenon of interference and diffraction indicate
the wave nature of light.
Wave Front
The locus of all particles vibrating in the same phase is called wave–front.
(a) Each point of wavefront is considered as source of secondary wavelets.
(b) The ray of light is considered in the direction of outward normal to the wave
front.
Form of wave front
Form of wavefront depends on nature of light source.
```

## Physics Class 12

105 videos|425 docs|114 tests

## FAQs on Flashcards for JEE Physics - Wave Optics Class 12

 1. What is wave optics?
Ans. Wave optics is a branch of physics that deals with the study of the behavior of light as waves. It focuses on understanding how light waves interact with various materials and objects, as well as their properties such as diffraction, interference, polarization, and dispersion.
 2. How does wave optics differ from geometric optics?
Ans. Wave optics differs from geometric optics in that it considers light as an electromagnetic wave, rather than a straight-line ray. While geometric optics primarily focuses on the path of light rays and their interactions with mirrors and lenses, wave optics takes into account the wave nature of light and examines phenomena such as interference and diffraction.
 3. What is diffraction in wave optics?
Ans. Diffraction refers to the bending or spreading out of light waves as they encounter an obstacle or pass through a narrow aperture. It is a characteristic behavior of waves, and in wave optics, it is studied to understand how light waves interact with objects of various sizes and shapes, leading to phenomena such as the spreading of light around edges or the formation of interference patterns.
 4. What is interference in wave optics?
Ans. Interference is the phenomenon that occurs when two or more light waves overlap and combine to either reinforce or cancel each other out. In wave optics, interference is studied to understand how the superposition of light waves results in the creation of bright and dark regions, known as interference fringes. This behavior is essential in various applications, such as in the creation of interference patterns in Young's double-slit experiment.
 5. How does polarization work in wave optics?
Ans. Polarization in wave optics refers to the orientation of the electric field vector of a light wave. Light waves can be linearly polarized, circularly polarized, or elliptically polarized. Understanding polarization is crucial in various applications, such as the production and analysis of 3D movies, LCD screens, and optical filters. In wave optics, polarization is studied to examine how the orientation of the electric field affects the behavior of light waves when they interact with polarizing materials or undergo reflection and refraction.

## Physics Class 12

105 videos|425 docs|114 tests

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