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The orbital velocity of an artificial satellite in a circular orbit just above the earth’s surface is ν. For a satellite orbiting at an altitude of half of the earth’s radius, the orbital velocity is the orbital velocity is The orbital velocity of an artificial satellite in a circular orbit just above the earth's surface [...]

A particle moves along a straight line and its velocity depends on time as v = 4t – t^2. Then for first 5 s: a. Average velocity is 25/3 m/s b. Average speed is 10 m/s A particle moves along a straight line and its velocity depends on time as v = 4t - t^2. [...]

If in the circuit shown below, the internal resistance of the battery is 1.5 Ω and VP and VQ are the potential at P and Q respectively, what is the potential difference between the point P and Q? If in the circuit shown below the internal resistance of the battery is 1.5 Ω and VP [...]

The ratio of distance of two satellites from the centre of earth is 1:4. The ratio of their time periods of rotation will be The ratio of distance of two satellites from the centre of earth is 1:4. The ratio of their time periods of rotation will be September 19, 2020 Category: Arihant Physics by [...]

A particle is projected vertically upward with velocity u from a point A, when it returns to the poin of projection a. Its average speed is u/2. b. Its average velocity is zero. A particle is projected vertically upward with velocity u from a point A when it returns to the poin of projection a. [...]

The magnitude of i in ampere unit is a) 0.1 b) 0.3 c) 0.6 d) none of these The magnitude of i in ampere unit is a) 0.1 b) 0.3 c) 0.6 d) none of these September 19, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Two satellite A and B, ratio of masses 3:1 are in circular orbits of radii r and 4r. Then ratio mechanical energy of A and B is ratio of masses 3:1 are in circular orbits of radii r and 4r. Then ratio mechanical energy of A and B is Two satellite A and B September [...]

Average acceleration is in the direction of a. Initial velocity b. Final velocity c. Change in velocity d. Final velocity if initial Average acceleration is in the direction of a. Initial velocity b. Final velocity c. Change in velocity d. Final velocity if initial September 19, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

In the circuit element given here, if the potential at point B, Vb = 0, then the potentials of A and D are given as if the potential at point B In the circuit element given here then the potentials of A and D are given as Vb = 0 September 19, 2020 Category: Uncategorised [...]

The body will speed up if a. Velocity and acceleration are in the same direction. b. Velocity and acceleration are in opposite directions. c. Velocity and acceleration are in perpendicular The body will speed up if a. Velocity and acceleration are in the same direction. b. Velocity and acceleration are in opposite directions. c. Velocity [...]