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