CBSE 2023 · Region 1 · Set 3 · Q24 · 2 marks
Identify the part of electromagnetic spectrum which is :(a)next to the lowest frequency end of the visible part of electromagnetic spectrum, and(b)produced by bombarding a metal target by high energy electrons. Give one use of each of them.
Identify the part of electromagnetic spectrum which is :
(a)
next to the lowest frequency end of the visible part of electromagnetic spectrum, and
(b)
produced by bombarding a metal target by high energy electrons. Give one use of each of them.
Marking-scheme solution
| \begin{itemize} \item[a)] Infrared Rays \begin{tabular}[t]{|l|l|} Uses: | -Muscular pain therapy |
| -Remote control | |
| - Photography in foggy conditions |
| Uses: | -To study crystal structure |
| -Detection of fracture in bones | |
| -Cancer treatment |
Electromagnetic WavesDisplacement CurrentRemembervery_short_answereasy
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.