Dual Nature of Radiation and Matter — Physics STD 12 — Question
Tamilnadu BoardEnglish MediumSTD 12PhysicsDual Nature of Radiation and Matter2 Marks
Question
Why electron is preferred over X-ray in the microscope?
✓
Answer
1. The de-Broglie wavelength of an electron is very less compared to X-rays. 2. We can build a high resolving power microscope using electrons. 3. Resolving power of a microscope inversely proportional to the wavelength $ r_0 \propto \frac{1}{\lambda} $
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