- 1. Who discovered radioactivity?
A) Marie Curie
B) Isaac Newton
C) Albert Einstein
D) Henri Becquerel
- 2. What element did Henri Becquerel use in his experiments on radioactivity?
A) Gold
B) Copper
C) Silver
D) Uranium
- 3. What is the SI unit of radioactivity named after Henri Becquerel?
A) Becquerel (Bq)
B) Sievert (Sv)
C) Gray (Gy)
D) Curie (Ci)
- 4. What branch of science studies radioactivity?
A) Zoology
B) Astronomy
C) Nuclear physics
D) Botany
- 5. What is the process by which an unstable atomic nucleus loses energy by emitting radiation called?
A) Transmutation
B) Radioactive decay
C) Fission
D) Fusion
- 6. Who shared the Nobel Prize in Physics with Becquerel and Marie Curie for their work on radioactivity?
A) Ernest Rutherford
B) Pierre Curie
C) Max Planck
D) Richard Feynman
- 7. What is the unit of measurement used to quantify the biological effects of ionizing radiation on humans?
A) Curie (Ci)
B) Tesla (T)
C) Hertz (Hz)
D) Sievert (Sv)
- 8. The discovery of radioactivity led to the development of:
A) Telecommunications
B) Plastic surgery
C) Nuclear power
D) Agricultural fertilizers
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