A hypothetical electromagnetic wave is show below. The frequency of the wave is x × 1019 Hz. x = ______ (nearest integer)
Official Solution
Correct Option:
(1)
The frequency of an electromagnetic wave is related to its wavelength by the equation , where is the speed of light (~ m/s). Given pm, we convert it to meters: pm = m. Now, substitute the values: Hz. This corresponds to . Given range: 5 to 5 (interpreted as 5,5 meaning must be an integer between 5 and 5). However, this seems inconsistent but if taken as a possible typo, since we calculated as , let's verify: does not fit within 5. Hence, verification may be needed on range specification. The nearest integer value of remains .
About Electromagnetic Waves - JEE-MAIN
Electromagnetic Waves is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
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