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The following graph shows the variation of velocity of a rocket with time. Then the maximum height attained by the rocket is The following graph shows the variation of velocity of a rocket with time. Then the maximum height attained by the rocket is September 5, 2020 Category: Cengage JEE Mains Physics by B.M Sharma [...]

A mass spectrometer separates ions according to their ratio of charge to mass. Such devices are widely used in science and engineering to analyze unknown mixtures and to separate isotopes of chemical elements. A velocity slector has an electric field of magnitude 2500 N/C and a horizontal magnetic field that is directed south. Charged particles [...]

A magnetising field of 1500 A/m produces a flux of 2⋅4×10−5 weber in a bar of iron of cross-sectional area 0⋅5 cm^2. Calculate the permeability and susceptibility of the iron bar used A magnetising field of 1500 A/m produces a flux of 2⋅4×10−5 weber in a bar of iron of cross-sectional area 0⋅5 cm^2. Calculate [...]

The variation of velocity of a particle moving along a straight line is shown in the figure. The distance travelled by the particle in 12 s is: The variation of velocity of a particle moving along a straight line is shown in the figure. The distance travelled by the particle in 12 s is: September [...]

A velocity slector has an electric field of magnitude 2500 N/C, directed vertically upward, and a horizontal magnetic field that is directed south. Charged particles, traveling east at a speed of 6.0 * 10^3 m/s A velocity slector has an electric field of magnitude 2500 N/C and a horizontal magnetic field that is directed south. [...]

The velociy-time graph of a body is shown in fig. 2.83. The displacement of the body in 8 s is The velociy-time graph of a body is shown in fig. 2.83. The displacement of the body in 8 s is September 5, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 3 - [...]

The absolute magnetic permeability is measured to be 12 T A^-1 m. Find its relative permeability and susceptibility. The absolute magnetic permeability is measured to be 12 T A^-1 m. Find its relative permeability and susceptibility. September 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A point moves with uniform acceleration and v1​, v2​ and v3​ denote the average velocities in the three successive intervals of time t1​, t2​ and t3​. Which of the following relation is correct? A point moves with uniform acceleration and v1​ t2​ and t3​. Which of the following relation is correct? v2​ and v3​ denote [...]

A positively charged particle, having charge q, is accelerated by a potential difference V. This particle moving along the x-axis enters a region where an electric field E exists. The direction of the electric field is A positively charged particle having charge q is accelerated by a potential difference V. This particle moving along the [...]

Water drops fall from a tap on to the floor 5.0 m below at regular intervals of time. The first drop strikes the floor when the fifth drop beings to fall. The height at which the third drop will be from ground, (at the instant when the first drop strikes the ground ) will be [...]