Related InterviewSolutions

• The optical density of turpentine is higher than that of water, while its mass density is lower. Fig. shows a layer of turpentine floating over water in a container. For which one of the four rays incident on turpentine in Fig., the path shows is correct ? .A. 1B. 2C. 3D. 4
• A light ray is incident normally on one of the refracting faces of a prism and just emerges out grazing the second surface. Then, the relation between angle of the prism and its critical angle isA. A = CB. `A != C`C. `A lt C`D. `A gt C`
• A ray of light passes from vaccum into a medium of refractive index n. If the angle of incidence is twice the angle of refraction, then the angle of incidence isA. `sin^(-1)((n)/(2))`B. `2sin^(-1)((n)/(2))`C. `cos^(-1)((n)/(2))`D. `2cos^(-1)((n)/(2))`
• A light ray of angles of incidence `40^(@)` emerged from the prism in minimum deviation position. Then what is the angle of incidence on the second surface ?A. `90^(@)`B. `0^(@)`C. `40^(@)`D. `20^(@)`
• A concave mirror is placed on a horizontal table, with its axis directed vertically upwards. Let O be the pole of the mirror and C its centre of curvature. A point object is placed at C. It has a real image, also located at C. If the mirror is now filled with water, the image will be.A. Real, at CB. Real, located beyond CC. Virtual, beyond CD. Real an located before C
• In the figure shown , for an angle of incidence `45^(@)`, at the top surface , what is the minimum refractive index needed for the internal reflection at vertical face ? A. `sqrt((3)/(2))`B. `sqrt((2)/(3))`C. `sqrt((5)/(2))`D. None of these
• Statement-1 : A single lens produces a coloured image of an object illuminated by white light. Statement-2 : The refractive index of material of lens is different for different wavelengths of light.A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-2B. Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-3C. Statement-1 is True, Statement-2 is falseD. Statement-1 is False, Statement-2 is True
• A plane mirror is inclined at angle `(alpha gt theta)` with horizontal surface. A particle is projected from point Pat t = 0 with a velocity V at an angle `alpha` with horizontal. The image of the particle is observed from the frame of the particle projected. Assuming the particle does not collide with the mirror, find (i) The time when image will come momentarily at rest with respect to the particle. (ii) Path of image as seen by the particle.
• What will be the speed of point P for `theta = 45^(@)` ?
• A mobile phone lies along the principal axis of a concave mirror as shown in Fig. Show by suitable diagram, the formation of its image. Explain why the magnification is not uniform, and distortion will occur depending on the location of the mobile with respect to the mirror.