# Assertion Reason Chapter 10 Wave Optics Class 12 Physics

Directions: Assertion & Reason Consist of two statements.

One labelled Assertion (A) & Other labelled Reason(R).

Select the Correct Answer to these questions from the Options as given below.

(a) If both Assertion & Reason are True & Reason is correct explanation Of Assertion.

(b) If both Assertion & Reason are true but Reason is not Correct Explanation of Assertion.

(C) If Assertion is true but reason is false.

(d) If both Assertion & Reason are False

Wave optics is very interesting chapter from optics. Starting topic of wave optics is Huygens theory  n proof of laws of reflection n refraction on the basis of wave theory. For this concept of wavefront should be clear n types of wavefront. Spherical, cylinderical & Plane wavefront.

After that interference, conditions for interference, coherent sources , sustained interference, YDS experiment, intensity n width of fringes. Dark n bright fringes. All concepts should be clear.

Diffraction, meaning of diffraction, Type of diffraction, fresnel n fraunhoffer Diffraction. Width of central maxima. Difference between interference n diffraction. After that you can solve all questions

You Can also View:

Assertion & Reason Chapter 9 RayOptics

### What does Huygen’s Principle explain?

According to Huygen’s Principle A wavefront may be regarded as new sources of wavelets that expands in every direction at a rate depending on their velocities.

### Who invented Wave Optics?

Wave Optics is a branch of Physics that deals with the wave nature of light. Which was first proposed by Dutch Physicist Huygens in 1678.

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