Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The unit vectors i, j and K are shown below. What will be the magnetic field at O in the following figure?
09
Sep
The unit vectors i, j and K are shown below. What will be the magnetic field at O in the following figure? j and K are shown below. What will be the magnetic field at O in the following figure? The unit vectors i September 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
A cell is connected between the point A and C of a circular conductor ABCD of centre O,∠AOC=60∘. If B1 and B2 are the magnitude of magnetic fields at O due to the currents in ABC and ADC respectively, the ratio of B1/B2 is.
09
Sep
A cell is connected between the point A and C of a circular conductor ABCD of centre O,∠AOC=60∘. If B1 and B2 are the magnitude of magnetic fields at O due to the currents in ABC and ADC respectively, the ratio of B1/B2 is. ∠AOC=60∘. If B1 and B2 are the magnitude of magnetic fields [...]
In the given figure net magnetic field at O will be
09
Sep
In the given figure net magnetic field at O will be In the given figure net magnetic field at O will be September 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An object of height 2 cm is kept 2 m in front of a convex lens of focal length 1 m. A plane mirror is placed is at 3 m from the lens on its other side. Find the nature, position, and magnification of the final image
09
Sep
An object of height 2 cm is kept 2 m in front of a convex lens of focal length 1 m. A plane mirror is placed is at 3 m from the lens on its other side. Find the nature, position, and magnification of the final image An object of height 2 cm is kept [...]
L is a lens such that a parallel beam of light incident on it. after refraction, converges to a point at a distance x from it and M is a mirror such that a parallel beam of light incident on it, after reflection, converges to a point at a distance y
09
Sep
L is a lens such that a parallel beam of light incident on it. after refraction, converges to a point at a distance x from it and M is a mirror such that a parallel beam of light incident on it, after reflection, converges to a point at a distance y after reflection converges to [...]
A converging lens and a converging mirror are placed with their principal axis coinciding. Their separation equals 40 cm. A point source S is placed on the principal axis at a distance of 12 cm from the lens
09
Sep
A converging lens and a converging mirror are placed with their principal axis coinciding. Their separation equals 40 cm. A point source S is placed on the principal axis at a distance of 12 cm from the lens Find the optical power and focal lengths of a bi-convex lens of radius of curvature R1 = [...]
In figure the length of object AB is 9 cm. Find the nature and position of the final image and also its length. Assume that each lens is a thin lens.
09
Sep
In figure the length of object AB is 9 cm. Find the nature and position of the final image and also its length. Assume that each lens is a thin lens. In figure the length of object AB is 9 cm. Find the nature and position of the final image and also its length. Assume [...]
An object is placed at a distance of 10 cm to the left on the axis of convex lens A of focal length 20 cm. A second convex lens of focal length 10 cm is placed coaxially to the right of the lens
09
Sep
An object is placed at a distance of 10 cm to the left on the axis of convex lens A of focal length 20 cm. A second convex lens of focal length 10 cm is placed coaxially to the right of the lens An object is placed at a distance of 10 cm to the [...]
The magnetic field at the centre of a circular coil of radius r is π time that due to a long straight wire at a distance r from it for equal currents. The following figure show three cases. In all cases the circular part has radius r and straight ones are infinitely long. For same current, the B field at the centre P in cases 1, 2, 3, has the ratio
09
Sep
The magnetic field at the centre of a circular coil of radius r is π time that due to a long straight wire at a distance r from it for equal currents. The following figure show three cases. In all cases the circular part has radius r and straight ones are infinitely long. For same [...]
The field normal to the plane of a wire of n turns and radis r which carriers i is measured on the axis of the coil at a small distance h from the centre of the coil. This is smaller than the field at the centre by the fraction.
09
Sep
The field normal to the plane of a wire of n turns and radis r which carriers i is measured on the axis of the coil at a small distance h from the centre of the coil. This is smaller than the field at the centre by the fraction. Find the magnetic field at o. [...]