CBSE 2026 · Region 1 · Set 3 · Q9 · 1 mark
Welders wear special glass goggles or face masks with glass windows to protect their eyes from
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Ultraviolet rays
Electromagnetic WavesElectromagnetic SpectrumRemembermcqeasy
More from Electromagnetic Waves
- The ratio of amplitude of electric field to the amplitude of the magnetic field associated with an…2026 · asked 3×
- The magnetic field in a plane electromagnetic wave travelling in glass (n=1 · 5) is given by B y=(2 × 10^-7…2026 · asked 3×
- A plane electromagnetic wave travels through a medium and the magnetic field associated with it is given by…2026 · asked 3×
- How are infrared waves produced? Why are these waves referred to as heat waves? Give any two uses of infrared…2023 · asked 3×
- What is meant by the term 'displacement current'? Briefly explain how this current is different from a…2023 · asked 3×
- Identify electromagnetic waves which: (i) are used in radar system. (ii) affect a photographic plate. (iii)…2022 · asked 3×
- Which of the following electromagnetic waves has photons of largest momentum?2025 · asked 3×
- (i) Depict a plane electromagnetic wave propagating along the x-axis. Write the expressions for its…2022 · asked 3×
CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.