Date | November 2013 | Marks available | 1 | Reference code | 13N.1.SL.TZ0.22 |
Level | Standard level | Paper | Paper 1 | Time zone | Time zone 0 |
Command term | Question number | 22 | Adapted from | N/A |
Question
An electron of mass me and charge e accelerates between two plates separated by a distance s in a vacuum. The potential difference between the plates is V.
What is the acceleration of the electron?
A. \(\frac{{{m_e}ev}}{s}\)
B. \(\frac{{{m_e}v}}{{es}}\)
C. \(\frac{{eV}}{{{m_e}s}}\)
D. \(\frac{V}{{{m_e}es}}\)
Markscheme
C
Examiners report
This questions proved to be somewhat difficult, especially for SL candidates. A number of different approaches could be used here, such as looking at the dimensions of the fundamental units, or by considering the cause and effect of increasing each one of the variable.
Syllabus sections
Show 71 related questions
- 17N.2.HL.TZ0.2b.ii: satellite Y requires a propulsion system.
- 17N.2.HL.TZ0.2b.i: the orbital times for X and Y are different.
- 17N.2.HL.TZ0.2a: Satellite X orbits 6600 km from the centre of the Earth. Mass of the Earth = 6.0 x 1024...
- 17N.1.HL.TZ0.32: A spacecraft moves towards the Earth under the influence of the gravitational field of the...
- 17M.2.HL.TZ2.8b.iv: An asteroid strikes the Earth and causes the orbital speed of the Earth to suddenly decrease....
- 17M.2.HL.TZ2.8b.iii: Calculate the total energy of the Earth in its orbit.
- 17M.2.HL.TZ2.8b.ii: Calculate the gravitational potential energy of the Earth in its orbit around the Sun. Give...
- 17M.2.HL.TZ2.8b.i: The gravitational potential due to the Sun at a distance r from its centre is VS. Show...
- 17M.2.HL.TZ2.8a: Outline why the gravitational potential is negative.
- 17M.2.HL.TZ1.6c: A meteorite, very far from planet X begins to fall to the surface with a negligibly small...
- 17M.2.HL.TZ1.6b: The diagram shows part of the surface of planet X. The gravitational potential at the surface...
- 17M.1.HL.TZ2.32: Four uniform planets have masses and radii as shown. Which planet has the smallest escape...
- 17M.1.HL.TZ2.31: The graph shows the variation of the gravitational potential V with distance r from the...
- 17M.1.HL.TZ1.30: A satellite at the surface of the Earth has a weight W and gravitational potential energy...
- 16M.2.HL.TZ0.5c: The total energy of a probe in orbit around a planet of mass M is...
- 16M.2.HL.TZ0.5b: A probe is launched vertically upwards from the surface of a planet with a...
- 16M.2.HL.TZ0.5a: Outline what is meant by escape speed.
- 16N.2.HL.TZ0.7b: An unpowered projectile is fired vertically upwards into deep space from the surface of...
- 16N.2.HL.TZ0.7a: Explain what is meant by the gravitational potential at the surface of a planet.
- 16N.1.HL.TZ0.32: A satellite of mass 1500 kg is in the Earth’s gravitational field. It moves from a point...
- 16N.1.HL.TZ0.30: What is the unit of Gε0, where G is the gravitational constant and ε0 is the permittivity of...
- 16M.1.HL.TZ0.35: Which of the following...
- 16M.1.HL.TZ0.28: A satellite orbits a planet. Which graph shows how the kinetic...
- 15M.1.HL.TZ1.26: A particle of charge q is at point S in a uniform electric field of strength E. The particle...
- 15M.1.HL.TZ2.24: Two spherical objects of mass M are held a small distance apart. The radius of each object is...
- 15M.2.HL.TZ2.6f: A space station is in orbit at a distance r from the centre of the planet in (e)(i). A...
- 14M.1.HL.TZ2.7: The sketch graph shows how the gravitational potential V of a planet varies with distance r...
- 14M.1.HL.TZ1.23: Two negatively charged particles are released from rest half-way between two oppositely...
- 15N.1.HL.TZ0.25: A negatively charged particle falls vertically into a region where there is an electric...
- 15N.2.HL.TZ0.6b.iii: Determine the change in the electric potential energy of M as it moves from the positive to...
- 14N.1.HL.TZ0.25: At the surface of a planet of radius r, the gravitational field strength is g and the...
- 14N.1.HL.TZ0.26: A negative ion is held at point P in an electric field as represented by the arrowed field...
- 14N.2.HL.TZ0.4b.i: Show that the total energy of the shuttle in its orbit is given by \( - \frac{{GMm}}{{2R}}\)....
- 14N.2.HL.TZ0.4b.ii: Using the expression for \({E_{\text{K}}}\) in (a) and your answer to (b)(i), determine \(R\)...
- 14N.2.HL.TZ0.4a: The kinetic energy \({E_{\text{K}}}\) given to the shuttle at its launch is given by the...
- 14N.2.HL.TZ0.4c: In practice, the total energy of the shuttle decreases as it collides with air molecules in...
- 14M.2.HL.TZ2.6d: The table gives the gravitational potential V for various distances r from the surface of...
- 11N.1.HL.TZ0.7: The escape speed of a rocket from the surface of Earth depends on the universal gravitational...
- 11N.1.HL.TZ0.8: A satellite in orbit about Earth moves to another orbit that is closer to the surface of...
- 13N.1.HL.TZ0.22: A satellite is in orbit about Earth at a distance r from the centre of Earth. The...
- 13N.1.HL.TZ0.23: The graph shows the variation with distance r of the electric potential V for a positively...
- 13M.1.HL.TZ1.24: A satellite is moved from a low orbit to a higher orbit. Which of the following accurately...
- 12M.1.SL.TZ2.19: A particle of mass m is a distance R from the surface of Earth of mass M. The force acting on...
- 12M.1.HL.TZ2.7: Two charged parallel metal plates, X and Y, are separated by a distance of 2.0 m. X is at a...
- 12M.1.HL.TZ2.8: A satellite in close-Earth orbit moves to an orbit further from the Earth’s surface. Which of...
- 12M.1.HL.TZ1.21: At the surface of a planet of radius r, the gravitational potential is –6.4×107J kg–1. The...
- 13M.2.HL.TZ1.11c: A polar orbiting satellite has an orbit which passes above both of the Earth’s poles. One...
- 13M.2.SL.TZ2.6b: In a simple model of the hydrogen atom, the electron can be regarded as being in a circular...
- 11M.1.HL.TZ2.8: A spacecraft is in orbit at a...
- 11M.1.HL.TZ2.7: A spacecraft moves from point X to point Y in the gravitational field of Earth. At point X,...
- 13M.1.HL.TZ2.6: Which graph shows how the total energy E of an orbiting satellite varies with distance r from...
- 11M.2.HL.TZ2.8a: A satellite, of mass m, is in orbit about Earth at a distance r from the centre...
- 11M.2.HL.TZ2.8b: The graph shows the variation with distance r of the Earth’s gravitational...
- 12M.2.HL.TZ2.5b: A positive point charge is moving towards a small, charged metal sphere along a radial...
- 11N.2.HL.TZ0.4a: Explain what is meant by escape speed.
- 11N.2.HL.TZ0.4b: Titania is a moon that orbits the planet Uranus. The mass of Titania is 3.5×1021kg. The...
- 12N.2.SL.TZ0.9b: The diagram shows a satellite orbiting the Earth. The satellite is part of the network of...
- 12N.2.SL.TZ0.9c: (i) Explain why the satellite is accelerating towards the centre of the Earth even though its...
- 13N.2.HL.TZ0.8e: Define gravitational potential at a point in a gravitational field.
- 13N.2.HL.TZ0.8f: The graph shows how the gravitational potential V of Earth varies with distance R from the...
- 13N.2.HL.TZ0.8g: State why the change of potential energy in (f)(ii) is an increase.
- 11M.1.HL.TZ1.25: Which of the following graphs represents how the total energy E of an orbiting satellite...
- 11M.2.HL.TZ1.2b: Deduce for the probe in orbit that its (i) speed is \(v = \sqrt {\frac{{GM}}{r}} \). (ii)...
- 11M.2.HL.TZ1.2c: It is now required to place the probe in another circular orbit further away from the...
- 09M.1.HL.TZ1.7: The mass of a planet is \(M\) and its radius is \(R\). In order for a body of mass \(m\) to...
- 09M.1.HL.TZ1.8: The two graphs below represent the variation with distance, \(d\), for \(d = r\) to...
- 10M.1.HL.TZ1.9: The escape speed from the surface of a planet depends on A. both the radius and the mass...
- 09N.1.HL.TZ0.7: Which of the following represents a scalar and a vector quantity?
- 10N.1.SL.TZ0.20: Which arrangement of three point charges at the corner of an equilateral triangle will result...
- 10N.1.HL.TZ0.25: Two positive and two negative point charges of equal magnitude are placed at the vertices of...
- 10N.2.HL.TZ0.B4Part2.b: (i) calculate the change in gravitational potential energy of the rocket at a distance 4R...