Question

Which of the following electromagnetic wave has the least frequency? (A) radiowave (B) infrared radiation (C) microwave (D) x rays

Name: Problem 2201, Chapter 15: JEE Physics
Uploaded: 2021-10-02T11:08:39-08:00
Duration: 1 min 15 s
Channel: Ankur Khosla
Description: Which of the following electromagnetic wave has the least frequency? (A) radiowave (B) infrared radiation (C) microwave (D) x rays

   Which of the following electromagnetic wave has the least frequency?
(A) radiowave
(B) infrared radiation
(C) microwave
(D) x rays

JEE Physics

StemEZ 1st Edition

Chapter 15, Problem 2201

Instant Answer

Solved by Expert Ankur Khosla

10/02/2021

Step 1

Radiation is energy that travels and spreads out as it goes – visible light that comes from a lamp in your house or radio waves that come from a radio station are two types of electromagnetic radiation. Other examples of electromagnetic radiation are microwaves, Show more…

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Which of the following electromagnetic wave has the least frequency? (A) radiowave (B) infrared radiation (C) microwave (D) x rays

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Key Concepts

Radiowaves

Radiowaves are a type of electromagnetic radiation with the longest wavelengths and lowest frequencies in the electromagnetic spectrum. Their low frequency makes them ideal for communication technologies such as radio and television broadcasting.

Electromagnetic Spectrum

The electromagnetic spectrum is the entire range of electromagnetic radiation, organized by wavelength and frequency, from low-frequency radio waves to high-frequency gamma rays. Understanding the spectrum helps in comparing the properties, energy, and applications of different types of electromagnetic waves.

Frequency

Frequency refers to the number of oscillations or cycles that a wave completes per unit time. In the context of electromagnetic waves, a lower frequency means fewer cycles per second, which generally corresponds to lower energy and longer wavelength.

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