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A given ray of light suffers minimum deviation in an equilateral prism P. Additional prisms Q and R of identical shape and of the same material as P are now added as shown in the figure. The ray will now suffer ...

A thin prism P1 with angle 4° and made from glass of refractive index 1.54 is combined with another thin prism P2 made from glass of refractive index 1.72 to produce dispersion without deviation. The angle of the prism P2 is ...

Q)) A bullet of mass 20 gram and velocity 500 m/s pierces ablock of mass 10 kg kept on a rough surface with coeff. (m). the bullet now obtains a velocity of 100 m/s.The block now comes to rest after travelling some distance i ...

What will be the minimum angle of incidence such that the total internal reflection occurs on both surfaces? *Image* ...

A rectangular glass slab ABCD of refractive index n1, is immersed in water of refractive index n2 (n1>n2). A ray of light is incident at the surface AB of the slab as shown. The maximum value of the angle of incident αmax ...

A ray of light from a denser medium strike a rarer medium at an angle of incidence i. The reflected and refracted makes an angle of 90° with each other. The angle of reflection and refraction are r and r'. The critical a ...

A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence of 45°. The ray undergoes total internal reflection. If n is the refractive index of the medium wit ...

A beam of white light is incident on glass air interface from glass to air such that green light just suffers total internal reflection. The colors of light which will come out to air are ...

A light ray is incident on an irregular shaped slab of refractive index √2 at an angle of 45° with the normal on the incline face as shown in the figure. The ray finally emerges from the curved surface in the medium of the ...

A quarter cylinder of radius R and refractive index 1.5 is placed on a table. A point object P is kept at a distance of mR from it. Find the value of m for which a ray from P will emerge parallel to the table as shown in the ...

A parallel beam of light travelling in water (μ=4/3) is refracted by a spherical air bubble of radius 2mm situated in water. Assuming light rays to be paraxial, find the position of the final image ...

A spherical surface of radius of curvature R separates air (refractive index 1.0) from glass ( refractive index 1.5). The centre of curvature is in the glass. A point object P placed in air is found to have a real image in th ...

A point object is placed at the centre of a glass sphere of radius 6 cm and refractive index 1.5. The distance of virtual image from the surface is ...

A point object O is placed at a distance of 30 cm from the pole of the convex mirror of focal length 20 cm as shown in the figure. Find the final image distance from the object. *Image* ...

A ray of light (GH) is incident on the glass-water interface DC at an angle i. It emerges in air along the water air interface EF (see figure). If the refractive index of water μw is 4/3, the refractive index of glass μs is ...

An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in figure. The beaker height is 3h and its radius h. When the beaker is filled with a liquid up to a height 2h, he can see the lowe ...

*Image* A ray of light passes through four transparent media with refractive indices n1, n2, n3 and n4 as shown in figure. The surfaces of all media are parallel. If the emergent ray CD is parallel to the incident ray AB, we ...

The convex surface of a plano-convex lens with curvature radius R=40cm comes into contact with a glass plate . A certain ring observed in reflected light has radius r=2.5mm. Watching the given ring , the lens was grad ...

A concave mirror form on a screen, a real image of twice the linear dimension of the object. Object and screen are then moved until the image is three times the size of the object. If the shift of the screen be 25 cm determin ...

x and y are the distances of an object and its image from the focus of a spherical mirror. The focal length of the mirror is f, the x, f, y are in ...

An object is placed in front of a convex mirror at a distance of 50 cm. A plane mirror is introduced covering the lower-half of the convex mirror. If the distance between the object and the plane mirror be 30 cm, it is found ...

A short linear object of length b lies along the axis of a concave mirror of focal length f at a distance u from the pole of the mirror. The size of the image is approximately equal to ...

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Match the following 22) Heat supplied at constant pressure A)ΔS>0 23) orderness decreases B)ΔH 24) Heat supplied at constant volume C)ΔG<0 25) spontaneity D)ΔU ...

Solubility of Ca(OH)2 is greatest in water ...

Which is most soluble in 0.1 M AgNO3 soln? ...

Use the data and answer the questions that follow. Compound Ksp BaCrO4 8.5 x 10-11 FeCO3 2.1 x 10 –11 MnCO3 8.8x10-11 Ag2CO3 8.1 x 10-12 Ba(OH)2 5 x 10-3 Ca(OH)2 1.3 x 10-6 Ni(OH)2 1.6 x 10–16 Which is least soluble in wa ...

The best oxidizing agent among the following is ...