Question

Two points separated by distance of 0.1 mm can just be inspected in a microscope when light of wavelength 6000Å is used. If the light of wavelength 4800Å is used then limit of resolution will become :

• A. 0.8 mm
• B. 0.12 mm
• C. 0.1 mm
• D. 0.08 mm

Answer 1

Answer: (D)

0.08 mm

Answer 2

New limit of resolution

$= \frac{4800}{6000} \times 0.1mm$

$= 0.08mm$