- 1. Who discovered radioactivity?
A) Isaac Newton
B) Henri Becquerel
C) Marie Curie
D) Albert Einstein
- 2. What element did Henri Becquerel use in his experiments on radioactivity?
A) Copper
B) Silver
C) Uranium
D) Gold
- 3. What is the SI unit of radioactivity named after Henri Becquerel?
A) Sievert (Sv)
B) Gray (Gy)
C) Becquerel (Bq)
D) Curie (Ci)
- 4. The discovery of radioactivity led to the development of:
A) Agricultural fertilizers
B) Nuclear power
C) Plastic surgery
D) Telecommunications
- 5. What is the process by which an unstable atomic nucleus loses energy by emitting radiation called?
A) Fusion
B) Fission
C) Radioactive decay
D) Transmutation
- 6. What branch of science studies radioactivity?
A) Nuclear physics
B) Zoology
C) Botany
D) Astronomy
- 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. 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
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