Quiz
AQA GCSE Physics Unit 2.6
Dieses Quiz hat ein Zeitlimit und öffnet sich deshalb im gewohnten Player.
Fragen in diesem Quiz (20)
1Which of these scientists were credited with discovering radioactivity?
- ABecquerel
- BSievert
- CGray
- DCurie
2True or false? All nuclei, both stable and unstable, undergo radioactive decay.
- ARichtig
- BFalsch
3True or false? Radioactive decay is a random process roughly following a Poisson distribution.
- ARichtig
- BFalsch
4Which five of these are major (contribute to 10% or more) causes of background radiation?
- AMedical uses (e.g. X-rays)
- BNuclear power stations
- CRadon gas in the air
- DRadioactivity in the ground
- ENuclear weapons testing
- FCosmic radiation
- GFood and drink
- HAir travel
5Which of these scientists helped to discover the nucleus?
- ARutherford
- BGeiger
- CMarsden
- DEinstein
- ELavoisier
- FMendeleev
6Which of these conclusions were made about the structure of the atom were made following Geiger and Marsden's alpha particle scattering experiment?
- AThe atom is mostly made of matter
- BThe atom is mostly made of empty space
- CMost of the mass is concentrated in the nucleus
- DThe mass is evenly distributed throughout the atom
- EThe nucleus has a large positive charge
- FThe nucleus has a large negative charge
7True or false? The previous model for the structure of the atom was known as the "pease pottage" model.
- ARichtig
- BFalsch
8How many neutrons can be found in the isotope polonium-210? (Z of Po = 84)
- A210
- B84
- C126
9Which of these statements are true about alpha particles?
- ANucleus loses 2 protons and 2 neutrons
- BA neutron in the nucleus is changed into a proton and an electron
- CA helium nucleus is emitted
- DA high-energy electron is emitted
10Which of these statements are true about beta particles?
- ANucleus loses 2 protons and 2 neutrons
- BA neutron in the nucleus is changed into a proton and an electron
- CA helium nucleus is emitted
- DA high-energy electron is emitted
11What is the decay product of thorium-228 if it undergoes alpha decay? (Z of Th = 90)
- AThorium-224
- BRadium-228
- CRadium-224
- DProtactinium-228
- EThorium-228
- FProtactinium-224
12What is the decay product of potassium-40 if it undergoes beta decay? (Z of K = 19)
- APotassium-40
- BPotassium-36
- CChlorine-40
- DChlorine-36
- ECalcium-40
- FCalcium-36
13Which of these statements are true about alpha radiation?
- AVery penetrating - stopped by several cm of lead
- BFairly penetrating - stopped by several mm of aluminium
- CPoorly penetrating - stopped by a sheet of paper
- DVery ionising
- EFairly ionising
- FPoorly ionising
- GDeflected by a large angle to the positive region of a field
- HDeflected by a small angle to the negative region of a field
- INot deflected in a field
14Which of these statements are true about beta radiation?
- AVery penetrating - stopped by several cm of lead
- BFairly penetrating - stopped by several mm of aluminium
- CPoorly penetrating - stopped by a sheet of paper
- DVery ionising
- EFairly ionising
- FPoorly ionising
- GDeflected by a large angle to the positive region of a field
- HDeflected by a small angle to the negative region of a field
- INot deflected in a field
15Which of these statements are true about gamma radiation?
- AVery penetrating - stopped by several cm of lead
- BFairly penetrating - stopped by several mm of aluminium
- CPoorly penetrating - stopped by a sheet of paper
- DVery ionising
- EFairly ionising
- FPoorly ionising
- GDeflected by a large angle to the positive region of a field
- HDeflected by a small angle to the negative region of a field
- INot deflected in a field
16True or false? The half-life of a radioactive sample is the time taken for the number of parent nuclei to halve.
- ARichtig
- BFalsch
17What would be the mass of a radioactive sample after 2 and a half hours if its original mass were 100g and its half-life were half an hour?
- A50g
- B25g
- C12.5g
- D6.25g
- E3.125g
- F1.5625g
- G0.78125g
- H0.390625g
18Which of these is a use of alpha radiation?
- ACarbon and uranium dating
- BSmoke alarms
- CMedical tracers
- DThickness monitoring
19Which of these is a use of beta radiation?
- ACarbon and uranium dating
- BSmoke alarms
- CMedical tracers
- DThickness monitoring
20Which of these is a use of gamma radiation?
- ACarbon and uranium dating
- BSmoke alarms
- CMedical tracers
- DThickness monitoring
Informationen
- Beschreibung
- Twenty questions on the sixth section of Unit 2 in AQA GCSE Physics: Radioactivity.
- Autor
- Matthew T
- Sprache
- English
- Aufrufe
- 594
- Schlagwörter
- Bewertung
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