Physics Scope 11 Last Part

What are the two basic forms of ionizing radiation?

• Ultraviolet radiation and infrared radiation

• Microwave radiation and radio wave radiation

• Alpha radiation and beta radiation

• Particle radiation and photon radiation

What is a common use of X-rays in medicine?

• To measure blood pressure

• To treat cancer

• To view images of bones and other structures

• To sterilize medical equipment

What happens when a material absorbs X-rays?

• It emits visible light

• It causes ionization by ejecting electrons

• It changes color

• It becomes radioactive

What is the frequency threshold for gamma rays?

• Higher than 30 kHz

• Higher than 30 EHz

• Higher than 30 GHz

• Higher than 30 MHz

What is a significant source of gamma rays?

• Radioactive decay of radon

• Lightning

• A fission bomb detonation

• The Sun

What is a potential health effect of small to medium doses of ionizing radiation?

• Immediate death

• Increased risk of heart disease

• Increased risk of cancer

• Hair loss

What precaution is necessary when using radiation in various industries?

• Limiting radiation use to military purposes

• Avoiding radiation in medical applications

• Using radiation only during the day

• Understanding the impact of radiation on our lives