When laser beams are shone through the objective lens of a microscope,a weak attractive force is generated near the point of focus.This allows the grasping of microscopic objects.Such a device is called a(n)______.
A)optical density
B)optical tweezer
C)confocal laser scanning
D)absorbance microscopy
E)laser pointer

Question

Quizplus · Accepted Answer

The description matches with that of optical tweezers, which generates an attractive force near the point of focus and enables the grasping of microscopic objects. The other options are not relevant to the given description.

When Laser Beams Are Shone Through the Objective Lens of a Microscope,a