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

When a force $F$ moves its point of application through a displacement $s$ in the direction of the force, the work $W$ done by the force is given by $...

2012 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is a possible unit for the product $VI$, where $V$ is the potential difference across a resistor and $I$ is the current through the same resistor...

2012 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is a reasonable estimate of the average kinetic energy of an athlete during a 100 m race that takes 10 s?

2012 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

A light-meter measures the intensity $I$ of the light falling on it. Theory suggests that $I$ varies inversely as the square of the distance $d$. W...

2012 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

In an experiment, a radio-controlled car takes $2.50 \pm 0.05$ s to travel $40.0 \pm 0.1$ m. What is the car’s average speed and the uncertaint...

2012 Summer

2

MCQ

CH3 - KINEMATICS

In an experiment to determine the acceleration of free fall using a falling body, what would lead to a value that is too large?

2012 Summer

3

MCQ

CH3 - KINEMATICS

Which feature of a graph allows acceleration to be determined?

2012 Summer

3

MCQ

CH3 - KINEMATICS

The diagram shows a laboratory experiment in which a feather falls from rest in a long evacuated vertical tube of length $L$. The feather takes tim...

2012 Summer

3

MCQ

CH3 - KINEMATICS

In the absence of air resistance, a stone is thrown from P and follows a parabolic path in which the highest point reached is T. The stone reaches poi...

2012 Summer

3

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Each option gives a correct word equation involving force. Which option gives the definition of force?

2012 Summer

3