MCQ- 4 ICSE Physics class 10 ch-6 Modern Physics

Uses and Hazards of Radioactive Isotopes - Class 10 Physics

1. Which radioactive isotope is commonly used in cancer treatment?

Cobalt-60
Carbon-14
Uranium-238
Plutonium-239

Correct Answer: Cobalt-60

2. What is the major hazard of exposure to radioactive radiation?

Mild fever
Nausea
Skin rashes
Genetic mutation and cancer

Correct Answer: Genetic mutation and cancer

3. Which nuclear disaster occurred in 1986 in Ukraine?

Fukushima disaster
Hiroshima bombing
Chernobyl disaster
Three Mile Island accident

Correct Answer: Chernobyl disaster

4. Which of the following is a common use of Carbon-14 isotope?

Archaeological dating
Treating cancer
Generating electricity
Making nuclear bombs

Correct Answer: Archaeological dating

5. What is a major source of harmful radiation exposure in nuclear power plants?

Solar radiation
Infrared radiation
Ultraviolet radiation
Radioactive leakage

Correct Answer: Radioactive leakage