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A bi-convex lens of focal length 20 cm is placed at a distance l = 6 cm from a plane mirror. If the medium between mirror and lens is water, find the equivalent focal length of the system.
09
Sep
A bi-convex lens of focal length 20 cm is placed at a distance l = 6 cm from a plane mirror. If the medium between mirror and lens is water, find the equivalent focal length of the system. A bi-convex lens of focal length 20 cm is placed at a distance l = 6 cm [...]
A particle is projected up a rough inclined plane of inclination θ and friction coefficient μ. If the time of ascent is half of the time of descent, the friction coefficient μ is equal to
09
Sep
A particle is projected up a rough inclined plane of inclination θ and friction coefficient μ. If the time of ascent is half of the time of descent, the friction coefficient μ is equal to A particle is projected up a rough inclined plane of inclination θ and friction coefficient μ. If the time of [...]
A bi-convex lens L1 of radii of curvature R1 = 20 cm and R2 = 30 cm and RI = mu = 1.5 is kept at a separation of 12 cm from a bi-concave lens L2 whose radii of curvature R’1 = 12 cm
09
Sep
A bi-convex lens L1 of radii of curvature R1 = 20 cm and R2 = 30 cm and RI = mu = 1.5 is kept at a separation of 12 cm from a bi-concave lens L2 whose radii of curvature R’1 = 12 cm A bi-convex lens L1 of radii of curvature R1 = 20 [...]
The current density J inside a long, solid cylindrical wire of radius a=12 mm is in the direction of the central axis, and its magnitude varies linearly with radial distance r from the axis according to J=J0 ra, where J0= 1054 π A/m^2. Find the magnitude of the magnetic field at r = a/2 in μT
09
Sep
The current density J inside a long, solid cylindrical wire of radius a=12 mm is in the direction of the central axis, and its magnitude varies linearly with radial distance r from the axis according to J=J0 ra, where J0= 1054 π A/m^2. Find the magnitude of the magnetic field at r = a/2 in [...]
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and its magnitude varies linearly with radial distance r from the axis according to J=J0 ra ,
solid cylindrical wire of radius a=12 mm is in the direction of the central axis ,
The current density J inside a long ,
where J0= 1054 π A/m^2. Find the magnitude of the magnetic field at r = a/2 in μT ,
Consider a coaxial system of two thin convex lenses of focal length f each separated by a distance d. Draw ray diagrams for image formation corresponding to an object at infinity placed on the principal axis
09
Sep
Consider a coaxial system of two thin convex lenses of focal length f each separated by a distance d. Draw ray diagrams for image formation corresponding to an object at infinity placed on the principal axis Find the focal length of equivalent system shown in figure. September 9, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Two convex lenses of focal length 20 cm each are placed coaxially with a separation of 60 cm between them. Find the image of a distant object formed by the combination by:
09
Sep
Two convex lenses of focal length 20 cm each are placed coaxially with a separation of 60 cm between them. Find the image of a distant object formed by the combination by: Two convex lenses of focal length 20 cm each are placed coaxially with a separation of 60 cm between them. Find the image [...]
Figure shows a long wire bent at the middle to form a right angle.
09
Sep
Figure shows a long wire bent at the middle to form a right angle. Figure shows a long wire bent at the middle to form a right angle. September 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A ball is thrown vertically upwards with a velocity of 10 ms−1. It returns to the ground with a velocity of 8 ms−1. If g=9.8 ms−2 , then the maximum height attained by the ball is nearly (assume air resistance to be uniform)
09
Sep
A ball is thrown vertically upwards with a velocity of 10 ms−1. It returns to the ground with a velocity of 8 ms−1. If g=9.8 ms−2 , then the maximum height attained by the ball is nearly (assume air resistance to be uniform) A ball is thrown vertically upwards with a velocity of 10 ms−1. [...]
Two circular coils A and B with their centres lying on the same axis have differents in the same sence. The coil B lies exacity midway between coil A and the point P. The magnetic field at point P due to coils A and B is B1 and B2 respectively.
09
Sep
Two circular coils A and B with their centres lying on the same axis have differents in the same sence. The coil B lies exacity midway between coil A and the point P. The magnetic field at point P due to coils A and B is B1 and B2 respectively. For the current carrying wire [...]
Two objects A and B are thrown upwards simultaneously with the same speed. The mass of A is greater than the mass of B. Suppose the air exerts a constant and equal force of resistance on the two bodies. Which object will go high?
09
Sep
Two objects A and B are thrown upwards simultaneously with the same speed. The mass of A is greater than the mass of B. Suppose the air exerts a constant and equal force of resistance on the two bodies. Which object will go high? Consider a car moving on a straight road with a speed [...]