In a double-slit experiment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits simultaneously. A screen is placed 2.0 m from the slits

At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?
A) 1.5 mm B) 6.0 mm C) 9.0 mm D) 4.5 mm E) 3.0 mm


D

Physics & Space Science

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A hockey puck slides off the edge of a table with an initial velocity of 28.0 m/s. and experiences no air resistance

The height of the tabletop above the ground is 2.00 m. What is the angle below the horizontal of the velocity of the puck just before it hits the ground? A) 77.2° B) 72.6° C) 12.8° D) 12.6° E) 31.8°

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A suitcase is sitting on a horizontal conveyor belt, which is moving at speed v. The work done by the frictional force on the suitcase is a. positive

b. negative. c. zero. d. impossible to determine without knowing the mass of the suitcase.

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An example of a diatomic molecule of a compound is

a. P4. b. NO2. c. N2. d. CO.

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A magnifying glass produces a virtual image

Indicate whether the statement is true or false

Physics & Space Science