Infrared radiation is a type of electromagnetic radiation with wavelengths longer than visible light but shorter than microwaves. It is suitable for short-range communication and doesn't interfere significantly with other signals or require line of sight in the same way as some other frequencies.
What type of electromagnetic radiation is used in the remote control of a television
Asked in UPPCS Prelims 2010 · Topic: Wave Motion (Electromagnetic Waves: Properties, Electromagnetic Spectrum, Energy and Momentum)
More Physics questions
- Television signals cannot be received beyond a certain distance because :
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- To operate a T.V. set, a remote control unit uses which of the following?
- In Microwave oven, the microwave tube used is:
- Which of the following has longest wave- length:
- Which of the following electromagnetic waves have the smallest wavelength?
- Which is the correct ascending order of the electromagnetic spectrum in terms of increasing frequency?
- Microwave ovens are very popular cooking devices. Which of the following statements about microwave heating is/are correct? (i) Microwaves are ionizing radiation and therefore they heat the food faster. (ii) Microwaves are a form of electromagnetic radiation. (iii) Microwaves cause water molecules in food to vibrate, producing heat that cooks the food. (iv) Microwave cooking is beneficial but it is lesser energy efficient than conventional cooking. Select the correct option using the codes given below.