An 18-mm wide diffraction grating has rulings of 880 lines per mm. Monochromatic light of 590 nm wavelength is incident normally on the grating
What is the largest angle, measured from the central bright spot, at which an intensity maximum is formed?
A) 23° B) 25° C) 31° D) 29° E) 27°
C
You might also like to view...
A convex lens has focal length f. If an object is located extremely far from the lens (at infinity), the image formed is located what distance from the lens?
A) 2f B) f C) between the lens and f D) infinity E) between f and 2f
Astronomers use theory to determine the temperature of the Sun's core, because they cannot measure the core temperature directly.
Answer the following statement true (T) or false (F)
Energy Conservation With Conservative Forces: A person stands on the edge of a cliff. She throws three identical rocks with the same speed. Rock X is thrown vertically upward, rock Y is thrown horizontally, and rock Z is thrown vertically downward. If the ground at the base of the cliff is level, which rock hits the ground with the greatest speed if there is no air resistance?
A. Rock X B. Rock Y C. Rock Z D. They all hit the ground with the same speed.
What are the two most abundant elements found in Earth's crust?