1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
$$ \text { Match List I with List II: } $$
| List-I (Electromagnetic wave) |
List-II (Production) |
||
|---|---|---|---|
| A. | Microwave | I. | Electrons in atoms emit light when they move from a higher energy level to a lower energy level |
| B. | Visible light | II. | Radioactive decay of nucleus |
| C. | Gamma rays | III. | Vibration of atoms and molecules |
| D. | Infra-red rays | IV. | Klystron valve or magnetron valve |
2
NEET 2025
MCQ (Single Correct Answer)
+4
-1
The electric field in a plane electromagnetic wave is given by $$ E_z=60 \cos \left(5 x+1.5 \times 10^9 t\right) \mathrm{V} / \mathrm{m}$$ Then expression for the corresponding magnetic field is (here subscripts denote the direction of the field) :
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
The electromagnetic radiation which has the smallest wavelength are
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
If the ratio of relative permeability and relative permittivity of a uniform medium is $$1: 4$$. The ratio of the magnitudes of electric field intensity $$(E)$$ to the magnetic field intensity $$(H)$$ of an EM wave propagating in that medium is (Given that $$\sqrt{\frac{\mu_0}{\varepsilon_0}}=120 \pi$$):
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Units & Measurement Motion in a Straight Line Motion in a Plane Laws of Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Properties of Matter Heat and Thermodynamics Oscillations Waves
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