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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

Ashok0210

Asked: March 21, 2021In: Class 12 Physics

(a) The refractive index of glass is 1.5. What is the speed of light in glass? Speed of light in vacuum is 3.0 x 10⁸ m s⁻¹) (b) Is the speed of light in glass independent of the colour of light? If not, which of the two colours red and violet travels slower in a glass prism?

Class 12 Physics CBSE and UP Board Wave Optics Chapter-10 Exercise 10.3 NCERT Solutions for Class 12 Physics Chapter 10 Question-3

Ashok0210

Asked: March 21, 2021In: Class 12 Physics

What is the shape of the wavefront in each of the following cases: (a) Light diverging from a point source. (b) Light emerging out of a convex lens when a point source is placed at its focus. (c) The portion of the wavefront of light from a distant star intercepted by the Earth.

Class 12 Physics CBSE and UP Board Wave Optics Chapter-10 Exercise 10.2 NCERT Solutions for Class 12 Physics Chapter 10 Question-2

Ashok0210

Asked: March 21, 2021In: Class 12 Physics

In deriving the single slit diffraction pattern, it was stated that the intensity is zero at angles of nλ/a. Justify this by suitably dividing the slit to bring out the cancellation.

Class 12 Physics CBSE and UP Board Wave Optics Chapter-10 Exercise 10.21 NCERT Solutions for Class 12 Physics Chapter 10 Question-21 Additional Exercise

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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?

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.

(a) The refractive index of glass is 1.5. What is the speed of light in glass? Speed of light in vacuum is 3.0 x 10⁸ m s⁻¹) (b) Is the speed of light in glass independent of the colour of light? If not, which of the two colours red and violet travels slower in a glass prism?

What is the shape of the wavefront in each of the following cases: (a) Light diverging from a point source. (b) Light emerging out of a convex lens when a point source is placed at its focus. (c) The portion of the wavefront of light from a distant star intercepted by the Earth.

In deriving the single slit diffraction pattern, it was stated that the intensity is zero at angles of nλ/a. Justify this by suitably dividing the slit to bring out the cancellation.

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