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