Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

A spherical convex surface separates object and image spaces of refractive indices 1.0 and 4/3. If radius of curvature of the surface is 10 cm, find its power. A spherical convex surface separates object and image spaces of refractive indices 1.0 and 4/3. If radius of curvature of the surface is 10 cm find its [...]

A glass sphere of radius R = 10 cm is kept inside water. A point object O is placed at 20 cm from A as shown in the figure. Find the position and nature of the image when seen from A glass sphere of radius R = 10 cm is kept inside water. A point [...]

Two thin symmetrical lenses of different nature and of different material have equal radii of curvature R = 15 cm. The lenses are put close together and immersed in water (mu w = 4/3). Two thin symmetrical lenses of different nature and of different material have equal radii of curvature R = 15 cm. The [...]

Two point sources S1 and S2 are 24 cm apart. Where should a convex lens of focal length 9 cm be placed in between them so that the images of both sources are formed at the same place? Two point sources S1 and S2 are 24 cm apart. Where should a convex lens of focal [...]

The apparent thickness of a thick plano-convex lens is measured once with the plane face upward and then with the convex face upward. The value will be The apparent thickness of a thick plano-convex lens is measured once with the plane face upward and then with the convex face upward. The value will be October [...]

In a slide show programme, the image on the screen has an area 900 times that of the slide. If the distance between the slide and the screen is x times the distance between the slide and the projector In a slide show programme the image on the screen has an area 900 times that [...]

Figure (a) shows two plano-convex lenses in contact as shown. The combination has focal length 24 cm. Figure (b) shows the same with a liquid introduced between them. If Figure (a) shows two plano-convex lenses in contact as shown. The combination has focal length 24 cm. Figure (b) shows the same with a liquid introduced [...]

A liquid of refractive index 1.6 is contained in the cavity of a glass specimen of refractive index 1.5 as shown in figure. If each of the curved surfaces has a radius of curvature of A liquid of refractive index 1.6 is contained in the cavity of a glass specimen of refractive index 1.5 as [...]

A parallel beam of light falls axially on a thin converging lens of focal length 20 cm. The emergent light falls or a screen placed 30 cm beyond the lens. An opaque plate with A parallel beam of light falls axially on a thin converging lens of focal length 20 cm. The emergent light falls [...]

The lateral magnification of the lens with an object located at two different positions u1 and u2 are m1 and m2, respectively. Then the focal length of the lens is respectively. Then the focal length of the lens is The lateral magnification of the lens with an object located at two different positions u1 and [...]