Electromagnetic Waves — Predicted 2026

AI-Predicted Question Angles for UPSC 2026

Based on trend analysis, current affairs, and recurring themes in Electromagnetic Waves.

Application-based questions on EM spectrum

high

NEET frequently tests the practical applications of different parts of the EM spectrum. Questions like 'Which EM wave is used for sterilizing surgical instruments?' (UV) or 'Which EM wave is used in radar systems?' (Microwaves) are common. This tests both recall of the spectrum and understanding of its utility. Students should prepare a concise list of 2-3 key applications for each type of EM wave.

Conceptual questions on the nature of EM waves

high

The fundamental properties of EM waves, such as their transverse nature, the fact that they don't require a medium, and the relationship between E and B fields, are core concepts. Questions like 'Which of the following is NOT a property of EM waves?' or 'If E is along y-axis and propagation is along x-axis, B is along...?' are perennial favorites. These test foundational understanding and are often used to differentiate students.

Numerical problems involving $c = flambda$ or $E_0 = cB_0$

medium

Direct formula-based numerical problems are a staple of NEET. Questions requiring calculation of wavelength given frequency (or vice versa) or finding the magnetic field amplitude from the electric field amplitude are common. These require accurate formula recall and careful unit conversion, especially for frequency (MHz to Hz). The difficulty is usually easy to medium, making them scoring opportunities.