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Physics · 2025 · 3 marks
CBSE 2025 · Region 7 · Set 3 · Q26
Name the electromagnetic radiations and write their frequency range: (a) Used to take the photograph of the bones (b) Produced by hot bodies (c) Used…
Name the electromagnetic radiations and write their frequency range :
(a)
Used to take the photograph of the bones
(b)
Produced by hot bodies
(c)
Used in television communication systems
Marking-scheme solution
Naming the electromagnetic radiation & writing their frequency range
(a)
Name: X- rays
Frequency Range: \(\displaystyle 10^{16}-10^{20} \mathrm{~Hz}\)
(b)
Name: Infra-red radiation
Frequency Range: \(\displaystyle 10^{12}-10^{14} \mathrm{~Hz}\)
(c)
Name: Radio waves
Frequency Range: \(\displaystyle 10^{5}-10^{9} \mathrm{~Hz}\)
All Electromagnetic Waves questions2025 question paperNCERT solutions: Electromagnetic WavesPractice Electromagnetic Waves →
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CBSE Class 12 Physics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.