What does angular resolution measure?
A) the angular size of the smallest features that the telescope can see
B) the brightness of an image
C) the size of an image
D) the number of electromagnetic waves captured by an image
A
You might also like to view...
When a brittle material reaches the fracture stress, the increase in energy necessary to extend a crack in the material is equal to _________.
Fill in the blank(s) with the appropriate word(s).
Based on its surface features, the most important event on Venus in the past billion years or so was
A) a global "repaving" that erased essentially all the surface features that had existed earlier. B) the eruption of a giant volcano that formed one of Venus's "continents." C) the impact of an unusually large asteroid that left a deep scar on one side of the planet. D) the onset of mantle convection, which caused Venus's lithosphere to split into plates like those on Earth.
A bicycle wheel has an outside diameter of 66 cm. How far does a point on the rim travel when the wheel rotates through an angle of 70°?
What will be an ideal response?
A pair of narrow slits that are 1.8 mm apart is illuminated by a monochromatic coherent light source. A fringe pattern is observed on a screen 4.8 m from the slits
If there are 5.0 bright fringes/cm on the screen, what is the wavelength of the monochromatic light? A) 550 nm B) 600 nm C) 650 nm D) 700 nm E) 750 nm