How do electromagnetic waves affect our everyday activities?

Everyday life is pervaded by artificially made electromagnetic radiation: food is heated in microwave ovens, airplanes are guided by radar waves, television sets receive electromagnetic waves transmitted by broadcasting stations, and infrared waves from heaters provide warmth.

What are some examples of electromagnetic waves in everyday life?

Examples of Electromagnetic Waves

  • Radio and Television. …
  • Microwave Ovens. …
  • Medical Examination. …
  • Sterilization. …
  • Communication Devices. …
  • RADAR. …
  • Military Equipment. …
  • Cancer Therapy.

What are the effects of electromagnetic waves in our environment?

Apart from some minor local effects no significant effects of EMF on environmental species have been identified. Studies occasionally published on the effects of EMF on species in the environment have generally been scattered in focus and uneven in quality.

What is the importance of waves in your daily lives?

These waves have many uses which are vital to our daily lives: visible light allows us to see; microwaves and radio waves allow for long-range communication via mobile phones, television and radio; infra-red waves are used in night-vision cameras and in many remote controls; and x-rays are used in medical imaging; and …

THIS IS INTERESTING:  How electromagnetic waves are transverse in nature?

Why are some electromagnetic waves harmful to living things?

Over-exposure to certain types of electromagnetic radiation can be harmful. … infrared radiation is felt as heat and causes skin to burn. X-rays damage cells causing mutations (which may lead to cancer) and cell death – this is why doctors and dentists stand behind protective screens when taking lots of X-rays.

What household items use electromagnetic waves?

Many household appliances produce electromagnetic fields: low consumption light bulbs, television and computer screens, electric radiators and even electric blankets. All of these common objects emit electric or electromagnetic fields and / or function by using them.

What are the effects of electromagnetic waves on living things and environment when exposed to large amount?

For example, high energy microwave radiation at frequencies from 300 MHz to 300 GHz can be carcinogenic and cause thermal effects, increasing the temperature of exposed organisms.

Why are some electromagnetic waves harmful and others not?

because the speed of all electromagnetic waves are the same, wavelength decreases while frequency increases. The shorter the wavelength, the higher the frequency. … Why are some electromagnetic waves harmful to you but others are not? the high frequencies and shorter wavelengths penetrates body easily.