Resolution: A certain astronomical telescope has a diameter of 5.60 m. What is the minimum angle of resolution for this telescope when it is forming images using light of wavelength 620 nm?
A. 1.11 × 10-7 rad
B. 3.11 × 10-7 rad
C. 2.70 × 10-7 rad
D. 1.35 × 10-7 rad
E. 4.05 × 10-7 rad
Answer: D
You might also like to view...
The explosion of a supernova typically leaves behind
a. a planetary nebula. b. a shell of hot, expanding gas with a white dwarf at the center. c. a shell of hot, expanding gas with a pulsar at the center. d. nothing is ever left behind.
The tangential velocity of an Earth satellite is its velocity
A) parallel to the surface of Earth. B) perpendicular to the surface of Earth. C) attributed to satellites moving in any direction.
A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40° angle to the ground. The magnitude of the horizontal impulse the catapult receives from the rock is
a. 5.1 × 10^4 N s. b. 6.1 × 10^4 N s. c. 8.0 × 10^4 N s. d. 5.0 × 10^5 N s. e. 6.0 × 10^5 N s.
The part of an electron microscope that plays the same role as the lenses do in an optical microscope is
A) the vacuum chamber. B) the coils. C) the cathode. D) the anode. E) the deflector plates.