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