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

Which is an SI base unit?

2015 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which pair contains one vector and one scalar quantity?

2015 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

When a constant braking force is applied to a vehicle moving at speed $v$, the distance $d$ moved by the vehicle in coming to rest is given by the exp...

2015 Summer

4

MCQ

CH2 - MEASUREMENT TECHNIQUES

A whale produces sound waves of frequency 5 Hz. The waves are detected by a microphone and displayed on an oscilloscope. What is the time-base setting...

2015 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

The angular deflection of the needle of an ammeter varies with the current in the ammeter as shown in the graph. Which diagram could represent the ap...

2015 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

The strain energy $W$ of a spring is determined from its spring constant $k$ and extension $x$. The spring obeys Hooke's law and the value of $W$ is c...

2015 Summer

2

MCQ

CH3 - KINEMATICS

A sphere is released and falls. Its initial acceleration reduces until it eventually begins to travel at constant terminal velocity. Which displacemen...

2015 Summer

3

MCQ

CH3 - KINEMATICS

An insect jumps with an initial vertical velocity of 1.0 $\text{m s}^{-1}$, reaching a maximum height of 3.5 $\times 10^{-2} \text{m}$. Assume the dec...

2015 Summer

2

MCQ

CH3 - KINEMATICS

A body having uniform acceleration $a$ increases its velocity from $u$ to $v$ in time $t$. Which expression would not give a correct value for the bo...

2015 Summer

4

MCQ

CH4 - DYNAMICS

What is a reasonable estimate of the average gravitational force acting on a fully grown woman standing on the Earth?

2015 Summer

2