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 quantity can be measured in electronvolts (eV)?

2014 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The unit of specific heat capacity is $\text{J kg}^{-1} \text{K}^{-1}$.What is its equivalent in terms of SI base units?

2014 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is the vertical component of this displacement vector?

2014 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

The resistance of a lamp is calculated from the value of the potential difference (p.d.) across it and the value of the current passing through it.Whi...

2014 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

The display on a cathode-ray oscilloscope shows the signal produced by an electronic circuit. The time-base is set at 5.0 ns per division and the Y-ga...

2014 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

A digital caliper is used to measure the 28.50 mm width of a plastic ruler. The digital caliper reads to the nearest 0.01 mm. What is the correct way...

2014 Summer

2

MCQ

CH3 - KINEMATICS

An experiment is performed to measure the acceleration of free fall $g$. A body falls between two fixed points. The four measurements shown below are ...

2014 Summer

2

MCQ

CH3 - KINEMATICS

In a cathode-ray tube, an electron is accelerated uniformly in a straight line from a speed of $4 \times 10^{3} \: \text{ms}^{-1}$ to $2 \times 10^{7}...

2014 Summer

2

MCQ

CH3 - KINEMATICS

The graph shows how the speed $v$ of a sprinter changes with time $t$ during a 100 m race. What is the best estimate of the maximum acceleration of...

2014 Summer

2

MCQ

CH4 - DYNAMICS

A tennis ball is dropped onto a table and bounces back up. The table exerts a force F on the ball. Which graph best shows the variation with time t o...

2014 Summer

2