Recent questions tagged chapter10

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What speed should a galaxy move with respect to us so that the sodium line at 589.0 nm is observed at 589.6

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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When monochromatic light is incident on a surface separating two media, the reflected and refracted light both have the same frequency as the incident frequency. Explain

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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When light travels from a rarer to a denser medium, the speed decreases. Does the reduction in speed imply a reduction in the energy carried by the light

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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In the wave picture of light, intensity of light is determined by the square of the amplitude of the wave. What determines the intensity of light in the photon picture of

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Two slits are made one millimetre apart and the screen is placed one metre away. What is the fringe separation when bluegreen light of wavelength 500 nm is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the effect on the interference fringes in a Young’s double-slit experiment due to: the screen is moved away from the plane of the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the effect on the interference fringes in a Young’s double-slit experiment due to: the (monochromatic) source is replaced by another (monochromatic) source of shorter

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the effect on the interference fringes in a Young’s double-slit experiment due to: the separation between the two slits is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the effect on the interference fringes in a Young’s double-slit experiment due to: the source slit is moved closer to the double-slit

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the effect on the interference fringes in a Young’s double-slit experiment due to: the width of the source slit is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the effect on the interference fringes in a Young’s double-slit experiment due to: the monochromatic source is replaced by a source of white light?(In each operation, take all parameters, other than the one specified, to remain

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the effect on the interference fringes in a Young’s double-slit experiment, (a) the separation between the two slits is increased(b) what should the width of each slit be to obtain 10 maxima of the double slit pattern within the central maximum of the single slit

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Assume that light of wavelength 6000Å is coming from a star. What is the limit of resolution of a telescope whose objective has a diameter of 100

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What is the Fresnel's distance? For what distance is ray optics a good approximation when the aperture is 3 mm wide and the wavelength is 500

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Discuss the intensity of transmitted light when a polaroid sheet is rotated between two crossed

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Unpolarised light is incident on a plane glass surface. What should be the angle of incidence so that the reflected and refracted rays are perpendicular to each

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of reflected, Refractive index of water is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of refracted light? Refractive index of water is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the shape of the wavefront in each of the following cases: Light diverging from a point

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What is the shape of the wavefront in each of the following cases: Light emerging out of a convex lens when a point source is placed at its

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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