Theory

CH8 - GRAVITATIONAL FIELDS

(a) State Newton's law of gravitation.   [2] (b) A planet may be considered as a uniform sphere. A satellite is in circular orbit of perio...

2024 Winter

3

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Define gravitational potential at a point.   [2] (b) A satellite $X$, of mass $M$, orbits a planet at a constant distance $4R$ from the...

2024 Summer

6

Theory

CH8 - GRAVITATIONAL FIELDS

(a) (i) State what is indicated by the direction of the gravitational field line at a point in a gravitational field.[1] (ii) Explain, with reference...

2023 Winter

4

Theory

CH8 - GRAVITATIONAL FIELDS

(a) (i) Define gravitational field.   [1] (ii) Define electric field.  [1] (iii) State one similarity and one difference between the ...

2023 Summer

5

Theory

CH8 - GRAVITATIONAL FIELDS

(a) (i) Define gravitational field. [1] (ii) Define electric field.[1] (iii) State $\textbf{one}$ similarity and$\textbf{one} $difference between th...

2023 Summer

4

Theory

CH8 - GRAVITATIONAL FIELDS

(a) State the equation for the gravitational force $F$ between two point masses $m_1$ and $m_2$ that are separated by a distance $r$. State the meanin...

2022 Winter

2

Theory

CH8 - GRAVITATIONAL FIELDS

(a) A spherical planet can be considered as a point mass at its centre. (i) On Fig. 1.1, draw gravitational field lines outside the planet to represe...

2022 Winter

4

Theory

CH8 - GRAVITATIONAL FIELDS

(a) State the equation for the gravitational force $F$ between two point masses $m_1$ and $m_2$ that are separated by a distance $r$. State the meanin...

2022 Winter

4

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Define gravitational potential.   [2] (b) The Earth E and the Moon M can both be considered as isolated point masses at their centres. ...

2021 Winter

3

Theory

CH8 - GRAVITATIONAL FIELDS

The Earth may be assumed to be an isolated uniform sphere with its mass of $6.0 \times 10^{24} \text{ kg}$ concentrated at its centre. A satellite of...

2021 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which quantity with its unit is correct?

2016 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The luminosity $L$ of a star is given by $L = 4\pi r^2 \sigma T^4$ where $r$ is the radius of the star, $T$ is the temperature of the star, $\sig...

2016 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The diagram shows two vectors X and Y, drawn to scale. If X = Y − Z, which diagram best represents the vector Z?

2016 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

The diagram shows a cathode-ray oscilloscope (c.r.o.) being used to measure the rate of rotation of a flywheel.The flywheel has a small magnet M mount...

2016 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

A student determines the density $\rho$ of steel by taking measurements from a steel wire. mass $m = 6.2 \pm 0.1 \text{ g}$ length $l = 25.0 \pm 0.1 \...

2016 Summer

3

MCQ

CH3 - KINEMATICS

The acceleration of free fall on the Moon is $1.6 \, \text{m}\,\text{s}^{-2}$. The Moon has no atmosphere. An astronaut standing on the surface of the...

2016 Summer

2

MCQ

CH3 - KINEMATICS

A tennis ball is released from rest at the top of a tall building. Which graph best represents the variation with time $t$ of the acceleration $a$ of ...

2016 Summer

3

MCQ

CH3 - KINEMATICS

The graph shows how the velocity $v$ of an object moving in a straight line varies with time $t$ from $t = 0$ to $t = T$. Which graph represents th...

2016 Summer

3

MCQ

CH4 - DYNAMICS

A ball falls vertically onto horizontal ground and rebounds, as shown. The ball has momentum $p_1$ downwards just before hitting the ground. After ...

2016 Summer

3

MCQ

CH4 - DYNAMICS

A sphere falls from rest through the air. The graph shows the variation with time of the sphere’s velocity. Which diagram shows the forces ac...

2016 Summer

3