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Category: Class 12

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Ashok0210

Asked: March 21, 2021In: Class 12 Physics

What is the Brewster angle for air to glass transition? (Refractive index of glass = 1.5.)

Class 12 Physics CBSE and UP Board Wave Optics Chapter-10 Exercise 10.8 NCERT Solutions for Class 12 Physics Chapter 10 Question-8

Ashok0210

Asked: March 21, 2021In: Class 12 Physics

In a double-slit experiment the angular width of a fringe is found to be 0.2° on a screen placed 1 m away. The wavelength of light used is 600 nm. What will be the angular width of the fringe if the entire experimental apparatus is immersed in water? Take refractive index of water to be 4/3.

Class 12 Physics CBSE and UP Board Wave Optics Chapter-10 Exercise 10.7 NCERT Solutions for Class 12 Physics Chapter 10 Question-7

Ashok0210

Asked: March 21, 2021In: Class 12 Physics

A beam of light consisting of two wavelengths, 650 nm and 520 nm, is used to obtain interference fringes in a Young’s double-slit experiment. (a) Find the distance of the third bright fringe on the screen from the central maximum for wavelength 650 nm. (b) What is the least distance from the central maximum where the bright fringes due to both the wavelengths coincide?

Class 12 Physics CBSE and UP Board Wave Optics Chapter-10 Exercise 10.6 NCERT Solutions for Class 12 Physics Chapter 10 Question-6

Ashok0210

Asked: March 21, 2021In: Class 12 Physics

In Young’s double-slit experiment using monochromatic light of wavelength λ, the intensity of light at a point on the screen where path difference is λ, is K units. What is the intensity of light at a point where path difference is λ/3?

Class 12 Physics CBSE and UP Board Wave Optics Chapter-10 Exercise 10.5 NCERT Solutions for Class 12 Physics Chapter 10 Question-5

Ashok0210

Asked: March 21, 2021In: Class 12 Physics

In a Young’s double-slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4 m away. The distance between the central bright fringe and the fourth bright fringe is measured to be 1.2 cm. Determine the wavelength of light used in the experiment.

Class 12 Physics CBSE and UP Board Wave Optics Chapter-10 Exercise 10.4 NCERT Solutions for Class 12 Physics Chapter 10 Question-4

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