for small uncertainty in the measurement of position of a particle, the wavelength of the incident light should be :
Small
Large
Average
Doesn't depend on wavelength
The wavelength should be small.
According to the Heisenberg's uncertainty principle, the uncertainty in position is inversely proportional to the uncertainty in speed . Thus, in order to make small, we should make big (disturb particle with a radiation of great energy). The energy of radiation is inversely proportional to its wavelength. Thus, in order to obtain greater energy one should choose smaller wavelength.
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