Monochromatic light from a He-Ne laser (l = 632.8 nm) is incident on a diffraction grating containing 5 000 lines/cm. Determine the angle of the first-order maximum
a. 18.4°
b. 39.2°
c. 14.6°
d. 27.7°
e. 13.9°
A
Physics & Space Science
You might also like to view...
Which of the following is not massless?
A) neutrino B) graviton C) photon D) muon
Physics & Space Science
A stone is moving on a rough level surface. It has 24 J of kinetic energy, and the friction force on it is a constant 0.50 N. What is the maximum distance it can slide?
A) 2.0 m B) 12 m C) 24 m D) 48 m
Physics & Space Science
Plane A is flying at 600 mph in the northeast direction relative to the Earth. Plane B is flying at 500 mph in the north direction relative to the Earth. What is the direction of motion of Plane B as observed from Plane A?
a. 52.5° N of E c. 37.5° N of W b. 48.2° N of W d. 10.1° N of W
Physics & Space Science
If a gasoline engine produces a hotter explosion, then the efficiency of the engine should
A. be the same B. go up C. go down
Physics & Space Science