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 unit is an SI base unit?

2024 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which of the following could have the same units as force?

2024 Summer

3

MCQ

CH3 - KINEMATICS

The velocity of an object changes from an initial velocity $u$ to a final velocity $v$. The vectors represent these velocities. Which single vector r...

2024 Summer

8

MCQ

CH3 - KINEMATICS

An object is moving with initial velocity $u$. The object then moves with uniform acceleration $a$ for time $t$ until it reaches final velocity $v$. ...

2024 Summer

4

MCQ

CH3 - KINEMATICS

Which calculation produces a vector quantity?

2024 Summer

4

MCQ

CH2 - MEASUREMENT TECHNIQUES

A thermometer can be read to an accuracy of ±0.5°C. This thermometer is used to measure a temperature rise from 40°C to 100°C. What is the percent...

2024 Summer

4

MCQ

CH3 - KINEMATICS

The diagram shows the path of a golf ball. Which row describes changes in the horizontal and vertical components of the golf ball’s velocity ...

2024 Summer

4

MCQ

CH3 - KINEMATICS

An aircraft flies from London to Sydney in a time of 21 hours 40 minutes. The distance travelled is 17 000 km. What is the average speed of the airc...

2024 Summer

3

MCQ

CH3 - KINEMATICS

A golf club hits a golf ball. The graph shows how the force $F$ on the ball varies with time $t$. Which graph shows how the velocity $v$ of the bal...

2024 Summer

3

MCQ

CH4 - DYNAMICS

What is meant by the mass and by the weight of an object on the Earth?

2024 Summer

5