- 1. Who discovered radioactivity?
A) Albert Einstein
B) Isaac Newton
C) Henri Becquerel
D) Marie Curie
- 2. What element did Henri Becquerel use in his experiments on radioactivity?
A) Silver
B) Copper
C) Gold
D) Uranium
- 3. What is the SI unit of radioactivity named after Henri Becquerel?
A) Gray (Gy)
B) Curie (Ci)
C) Sievert (Sv)
D) Becquerel (Bq)
- 4. What branch of science studies radioactivity?
A) Nuclear physics
B) Zoology
C) Botany
D) Astronomy
- 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) Max Planck
B) Ernest Rutherford
C) Pierre Curie
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) Sievert (Sv)
D) Hertz (Hz)
- 8. The discovery of radioactivity led to the development of:
A) Nuclear power
B) Telecommunications
C) Agricultural fertilizers
D) Plastic surgery
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