GCSE Edexcel Physics Penetrating effects of Radiation: 3 Ionising radiations are emitt

Question

3  Ionising radiations are emitted by unstable nuclei:

(a) (i) Which particle has the same mass as but opposite charge to a $\beta^-$ particle?
Put a cross (\textbf{X}) in the box next to your answer.

$$\text{A} \quad \text{electon} $$
  $$\text{B} \quad \text{positron} $$
  $$\text{C} \quad \text{proton} $$
  $$\text{D} \quad \text{neutron} $$

(ii) Suggest why a beta particle will travel further in air than an alpha particle. (2)

(b) Complete the sentence by putting a cross (\textbf{X}) in the box next to your answer.
Following the radioactive decay of a nucleus, the nucleus might undergo some rearrangement, losing energy as

$$\text{A} \quad \text{gamma radiation} $$
  $$\text{B} \quad \text{a proton} $$
  $$\text{C} \quad \text{a neutron} $$
  $$\text{D} \quad \text{an X-ray} $$

3 Ionising radiations are emitted by unstable nuclei: (a) (i) Which particle has the same mass as but opposite charge to a $\beta^-$ particle? Put a cross (\textbf{X}) in the box next to your answer - Edexcel - GCSE Physics - Question 3 - 2013 - Paper 1

Worked Solution & Example Answer:3 Ionising radiations are emitted by unstable nuclei: (a) (i) Which particle has the same mass as but opposite charge to a $\beta^-$ particle? Put a cross (\textbf{X}) in the box next to your answer - Edexcel - GCSE Physics - Question 3 - 2013 - Paper 1

Which particle has the same mass as but opposite charge to a $\beta^-$ particle?

Suggest why a beta particle will travel further in air than an alpha particle.

Complete the sentence by putting a cross (\textbf{X}) in the box next to your answer.

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