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