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The distance between a convex lens and a plane mirror is 10 cm. The parallel rays incident on the convex lens after reflection from the mirror forms image at the optical centre of the lens. Focal length of lens will be
12
Sep
The distance between a convex lens and a plane mirror is 10 cm. The parallel rays incident on the convex lens after reflection from the mirror forms image at the optical centre of the lens. Focal length of lens will be a sphere of the same radius but of refractive index 2.5 forms an image [...]
Two point light sources are 24 cm apart. where should a convex lens of focal length 9 cm be put in between them from one source so that the images of both the sources are formed at the same placed?
12
Sep
Two point light sources are 24 cm apart. where should a convex lens of focal length 9 cm be put in between them from one source so that the images of both the sources are formed at the same placed? Two point light sources are 24 cm apart. where should a convex lens of focal [...]
Shown in the figure here is a convergent lens placed inside a cell filled with a liquid. The lens has focal length +20cm when in air and its material has refractive index 1.50. If the liquid has refractive index 1.60, the focal length of the system is
12
Sep
Shown in the figure here is a convergent lens placed inside a cell filled with a liquid. The lens has focal length +20cm when in air and its material has refractive index 1.50. If the liquid has refractive index 1.60, the focal length of the system is a sphere of the same radius but of [...]
A luminous object is placed at a distance of 30 cm from the convex lens, of focal length 20 cm. On the other side of the lens, at what distance from thelens a convex mirror of radius of curvature 10 cm be placed in order to have an image of the object coincident with it
12
Sep
A luminous object is placed at a distance of 30 cm from the convex lens, of focal length 20 cm. On the other side of the lens, at what distance from thelens a convex mirror of radius of curvature 10 cm be placed in order to have an image of the object coincident with it [...]
A point object O is placed on the principal axis of a convex lens of focal length f=20cm at a distance of 40 cm to the left of it. The diameter of the lens is 10. An eye is placed 60 cm to right of the lens and a distance h below the principal axis. The maximum value of h to see the image is
12
Sep
A point object O is placed on the principal axis of a convex lens of focal length f=20cm at a distance of 40 cm to the left of it. The diameter of the lens is 10. An eye is placed 60 cm to right of the lens and a distance h below the principal axis. [...]
The distance v of the real image formed by a convex lens is measured for various object distance u. A graph is plotted between v and u, which one of the following graphs is correct
12
Sep
The distance v of the real image formed by a convex lens is measured for various object distance u. A graph is plotted between v and u, which one of the following graphs is correct The distance v of the real image formed by a convex lens is measured for various object distance u. A [...]
The graph shows how the magnification m produced by a convex thin lens varies with image distance v. What was the focal length?
12
Sep
The graph shows how the magnification m produced by a convex thin lens varies with image distance v. What was the focal length? The graph shows how the magnification m produced by a convex thin lens varies with image distance v. What was the focal length? September 12, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
For the object placed at x – infinity, a sphere of the same radius but of refractive index 2.5 forms an image at distance y2 from p2
12
Sep
For the object placed at x – infinity, a sphere of the same radius but of refractive index 2.5 forms an image at distance y2 from p2 a sphere of the same radius but of refractive index 2.5 forms an image at distance y2 from p2 For the object placed at x - infinity September [...]
For the object placed at x – infinity, the given sphere of refractive index 1.5 forms an image at distance y1 from p2.
12
Sep
For the object placed at x – infinity, the given sphere of refractive index 1.5 forms an image at distance y1 from p2. For the object placed at x - infinity the given sphere of refractive index 1.5 forms an image at distance y1 from p2. September 12, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Distance x1 such that for x > x1, the image formed by surface I and also the final image are real, is
12
Sep
Distance x1 such that for x > x1, the image formed by surface I and also the final image are real, is Distance x1 such that for x > x1 is the image formed by surface I and also the final image are real September 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]