Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

(a) Radioactive decay is both random and spontaneous.(i) State what is meant by random...................................................................

2024 Winter

4

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

A particle Q and a particle R are each composed of one quark and one antiquark.(a) State the name of the class (group) of particles that includes Q an...

2024 Summer

4

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

(a) State the nuclide notation in the form $_{Z}^{A}X$ for this isotope of samarium.(b) This isotope of samarium is radioactive and decays by emitting...

2024 Summer

6

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

Nuclei of an isotope of copper (Cu) each have 29 protons and 37 neutrons. This isotope is a $\beta^-$ emitter. (a) State the nuclide notation in the f...

2024 Summer

5

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

Fluorine-18 ($^{18}_{9}\text{F}$) decays by beta-plus ($\beta^+$) emission with a half-life of 110 minutes.(a) (i) State the name of the beta-plus par...

2024 Winter

4

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

Fluorine-18 ($^{18}_{9}\text{F}$) decays by beta-plus ($\beta^+$) emission with a half-life of 110 minutes.(a) (i) State the name of the beta-plus par...

2024 Winter

3

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

(a) State what is meant by the work done by a force......................................................................................................

2024 Winter

7

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

(a) Potassium-40 ($ {^{40}_{19} ext{K}} $) undergoes $ \beta^- $ decay to form a nuclide of element X. Particle Z is emitted during the decay. The equ...

2024 Winter

6

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

(a) Compare an $\alpha$-particle with a $\beta^+$ particle in terms of their masses and charges. [3] (b) Nucleus P undergoes $\alpha$-decay to f...

2024 Winter

5

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

(a) Complete Table 7.1 to show the charges, in terms of the elementary charge $e$, on each of the flavours of quark and antiquark shown.Table 7.1[Tabl...

2024 Winter

6

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The SI unit for potential difference (the volt) is given, in base units, by

2010 Summer

1

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The product of pressure and volume has the same SI base units as

2010 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

An ion is accelerated by a series of electrodes in a vacuum. A graph of the power supplied to the ion is plotted against time.What is represented by t...

2010 Summer

1

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A vector quantity $V$ is resolved into two perpendicular components $X$ and $Y$. The angle between $V$ and component $X$ is $\theta$. The angle betwee...

2010 Summer

1

MCQ

CH3 - KINEMATICS

The diagram shows a velocity-time graph for a vehicle. The vehicle, moving at 4.0 ms-1, begins to accelerate at time = 0. What is the vehicle's ac...

2010 Summer

2

MCQ

CH3 - KINEMATICS

A small steel ball falls freely under gravity after being released from rest. Which graph best represents the variation of the height $h$ of the ball...

2010 Summer

1

MCQ

CH4 - DYNAMICS

Two equal masses travel towards each other on a frictionless air track at speeds of $60 \text{ cm s}^{-1}$ and $40 \text{ cm s}^{-1}$. They stick toge...

2010 Summer

2

MCQ

CH4 - DYNAMICS

A brick weighing 20 N rests on an inclined plane. The weight of the brick has a component of 10 N parallel with the plane. The brick also experiences ...

2010 Summer

2

MCQ

CH4 - DYNAMICS

The diagram shows two identical spheres X and Y. Initially, X moves with speed v directly towards Y. Y is stationary. The spheres collide elastical...

2010 Summer

3

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Forces of 3 N, 4 N and 5 N act at one point on an object. The angles at which the forces act can vary. What is the value of the minimum resultant for...

2010 Summer

3