Flashcards
Sem título
Flashcards do conjunto (5)
- 1Name 3 electromagnetic hazards:Microwave - Causes internal heating of body tissues.
Infrared- Skin to burn.
X-Rays - Damage cells causing mutations and cancer.
Gamma Ray - Damage cells causing mutation and cell death.
UV- Cancer - 2What is dispersion?Spreading out of the different wavelengths of light, caused by refraction of light as it passes through a prism.
- 3Uses of each part of the electromagnetic spectrum:Radio: Television signals
Microwaves: Cooking, mobile phones
Infrared: Optical fibre communication
Visible light: seeing
Ultraviolet: detect forged bank notes
x-rays - medical image of bones
gamma radiation - killing cancer cells. - 4Radio and gamma energy, frequency and wavelengthRadio: Lowest frequency and energy and longest wavelength
Gamma ray - highest energy and frequent and shortest wavelength - 5Speed of light300,000,000 m/s
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- FlashCards sobre Sem título, criado por Anna Luiza Arantes em 16-11-2015.
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- Anna Luiza Arantes
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