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