Question Answers

The graph Shows the variation in magnetic flux ϕ(t) with time through a coil. Which of the statements given below is not correct The graph Shows the variation in magnetic flux ϕ(t) with time through a coil. Which of the statements given below is not correct September 9, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

Two identical convex lenses (L1 and L2) each of focal length 10 cm are separated by 30 cm and placed along common principal axis. A plane mirror is placed behind the two lenses as shown Two identical convex lenses (L1 and L2) each of focal length 10 cm are separated by 30 cm and placed [...]

A particle starts from origin O from rest and moves with a uniform acceleration along the positive x-axis. Identify all figures that correctly represent the motion qualitatively. (a = acceleration, v = velocity, x = displacement, t = time) A particle starts from origin O from rest and moves with a uniform acceleration along the [...]

The north and south poles of two identical magnets approach a coil, containing a condenser, with equal speeds from opposite sides. then containing a condenser The north and south poles of two identical magnets approach a coil with equal speeds from opposite sides. then September 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

What is the shape of the wavefront on earth for sunlight? What is the shape of the wavefront on earth for sunlight? September 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Focal length of a thin convex lens in air is 10 cm. Now, medium on one side of the lens is replaced by a medium of refractive index mu = 2. The radius of curvature of the surface of lens. Focal length of a thin convex lens in air is 10 cm. Now medium on [...]

A current carrying solenoid is approaching a conducting loop as shown in the fig. The direction of induced current as observed by an observer on the other side of the loop will be A current carrying solenoid is approaching a conducting loop as shown in the fig. The direction of induced current as observed by [...]

In figure L is half part of an equiconvex glass lens (mu = 1.5) whose surface have radius of curvature r = 40 cm and its right surface is silvered. Normal to its principal axis a plane mirror M In figure L is half part of an equiconvex glass lens (mu = 1.5) whose surface [...]

An aluminum ring B faces an electromagnet A. The current I through A can be altered An aluminum ring B faces an electromagnet A. The current I through A can be altered September 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A lens is made of three thin different mediums. Radius of curvature and refractive index of each medium is shown in figure. Surface AB is straight. An object is placed at some distance from the lens A lens is made of three thin different mediums. Radius of curvature and refractive index of each medium is [...]