A red laser beam (1 = 675 nm) is incident on two very narrow slits that are spaced 10 mm apart. The interference pattern is observed on a distant screen. A green laser (A = 500 nm) is then used instead. Which of the following claims correctly compares characteristics of the dark fringes observed with the green laser to those observed with the red laser? (A) Narrower and closer together (B) Narrower and farther apart (C) Broader and farther apart (D) Broader and closer together
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
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