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