Lesson 11.2.1
11.2.1 Background radiation, radiation types and nuclear equations Quiz: Pearson Edexcel Physics, Unit 11
20 questions
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Lesson 11.2.1, Background radiation, radiation types and nuclear equations: 20 multiple choice questions for the Pearson Edexcel Physics (9PH0), Unit 11: Nuclear Radiation, written with Revision Ninja.
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The 20 questions
-
Which radiation has the greatest ionising power?
- Beta
- Alpha
- Gamma
- Visible light photon
-
Which radiation has the greatest penetrating power?
- Beta
- Visible light photon
- Alpha
- Gamma
-
What is an alpha particle composed of?
- Helium nucleus
- High-frequency photon
- Single proton
- High-energy electron
-
In beta-minus decay, what particle does a neutron transform into?
- Electron
- Neutrino
- Positron
- Proton
-
What is emitted from a nucleus during gamma decay?
- Fast electron
- Positron
- High-energy photon
- Helium nucleus
-
What is the largest natural source of background radiation for most people?
- Cosmic rays
- Radon gas
- Medical X-rays
- Nuclear fallout
-
Which material is most effective at absorbing gamma radiation?
- Lead
- Air
- Aluminium sheet
- Paper
-
Which radiation is stopped by a sheet of paper?
- Gamma
- Beta
- Visible light photon
- Alpha
-
Complete the nuclear equation: 238/92 U -> 234/90 Th + X. What is X?
- Neutron, 1/0 n
- Alpha particle, 4/2 He
- Electron, 0/-1 e
- Gamma photon, 0/0 gamma
-
Complete the nuclear equation: 14/6 C -> 14/7 N + X. What is X?
- Electron, 0/-1 e
- Gamma photon, 0/0 gamma
- Alpha particle, 4/2 He
- Proton, 1/1 p
-
Polonium-210 undergoes alpha decay. What is the product nucleus?
- 208/82 Pb
- 206/82 Pb
- 206/84 Po
- 210/82 Pb
-
In the nuclear equation 14/7 N + 4/2 He -> 17/8 O + X, what is X?
- Neutron
- Electron
- Alpha particle
- Proton
-
A measured count is 400 counts per minute and background is 40 counts per minute. What is the corrected count rate?
- 440 counts per minute
- 400 counts per minute
- 40 counts per minute
- 360 counts per minute
-
The background dose rate is 0.5 mSv per year. What dose is received over 10 years from background alone?
- 10.5 mSv
- 5 mSv
- 0.05 mSv
- 50 mSv
-
Why is background count rate subtracted from experimental Geiger-Müller readings?
- Isolate source activity
- Reduce measurement noise
- Stop radioactive decay
- Increase half-life
-
Which order lists the radiations in increasing penetrating power?
- Alpha, beta, gamma
- Alpha, gamma, beta
- Beta, alpha, gamma
- Gamma, beta, alpha
-
Which type of nuclear radiation has the highest ionising power?
- Beta-minus
- Alpha
- Gamma
- Beta-plus
-
Which radiation consists of high-speed electrons emitted from a nucleus?
- X-ray
- Gamma
- Beta
- Alpha
-
What happens to a nucleus's mass number during gamma emission?
- Decreases by 1
- Increases by 1
- Decreases by 4
- Remains unchanged
-
Which of the following is a man-made source of background radiation?
- Rocks and soil
- Radon gas
- Medical X-rays
- Cosmic rays
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