Question Answers

Which one of the following graphs represents correctly represent the variation of the gravitational field (E) with the distance (r) from the centre of a spherical shell of mass M radius R ? Which one of the following graphs represents correctly represent the variation of the gravitational field (E) with the distance (r) from the [...]

A car accelerates from rest at a constant rate of 2 m/s^2 for some time. Then it retards at at a constant rate of 4 m/s^2 and comes to rest. It remains in motion for 6 s. A car accelerates from rest at a constant rate of 2 m/s^2 for some time. Then it retards [...]

A block slides down a smooth inclined plane when released from the top, while another falls freely from the same point. Which of the following is /are correct? A block slides down a smooth inclined plane when released from the top while another falls freely from the same point. Which of the following is /are [...]

By which curve will the variation of gravitational potential of a hollow sphere of radius R with distance be depicted ? By which curve will the variation of gravitational potential of a hollow sphere of radius R with distance be depicted ? September 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 10 - [...]

The internal resistance of two cells shown are 0.1 ohm and 0.3 ohm. If R = 0.2 ohm, the potential difference across the cell The internal resistance of two cells shown are 0.1 ohm and 0.3 ohm. If R = 0.2 ohm the potential difference across the cell September 19, 2020 Category: Uncategorised (JEE Advanced [...]

The diagram showing the variation of gravitational potential of earth with distance from the centre of earth is The diagram showing the variation of gravitational potential of earth with distance from the centre of earth is September 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 10 - Gravitation , Volume 1 ,

Check up the only correct statements in the following: a. A body having a constant velocity still can have varying speed. b. A body having a constant speed can have varying velocity. Check up the only correct statements in the following: a. A body having a constant velocity still can have varying speed. b. A [...]

Three particles each of mass m are kept at vertices of an equilateral triangle of side L. The gravitational field at centre due to these particle is: Three particles each of mass m are kept at vertices of an equilateral triangle of side L. The gravitational field at centre due to these particle is: September [...]

In an experiment , a graph was plotted of the potential difference V between the terminals of a cell against the circuit current i by varying load rheostat. Internal conductance of the cell is given by a graph was plotted of the potential difference V between the terminals of a cell against the circuit current [...]

If V is the gravitational potential on the surface of the earth, then what is its value at the centre of the earth? If V is the gravitational potential on the surface of the earth then what is its value at the centre of the earth? September 19, 2020 Category: Arihant Physics by D.C Pandey [...]