- 1. Who discovered radioactivity?
A) Isaac Newton
B) Marie Curie
C) Henri Becquerel
D) Albert Einstein
- 2. What element did Henri Becquerel use in his experiments on radioactivity?
A) Uranium
B) Gold
C) Copper
D) Silver
- 3. What is the SI unit of radioactivity named after Henri Becquerel?
A) Curie (Ci)
B) Gray (Gy)
C) Sievert (Sv)
D) Becquerel (Bq)
- 4. 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
- 5. What branch of science studies radioactivity?
A) Botany
B) Nuclear physics
C) Zoology
D) Astronomy
- 6. What is the process by which an unstable atomic nucleus loses energy by emitting radiation called?
A) Fusion
B) Transmutation
C) Radioactive decay
D) Fission
- 7. What is the unit of measurement used to quantify the biological effects of ionizing radiation on humans?
A) Curie (Ci)
B) Sievert (Sv)
C) Tesla (T)
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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