Which type of telescope has the simplest light path?
A) prime focus reflector
B) single lens refractor
C) achromatic refractor
D) Newtonian reflector
E) Cassegrain reflector
A
You might also like to view...
A circular coil (radius = 0.40 m) has 160 turns and is in a uniform magnetic field. When the orientation of the coil is varied through all possible positions, the maximum torque on the coil by magnetic forces is 0.16 N ? m when the current in the coil is 4.0 mA. What is the magnitude of the magnetic field?
A. 0.37 T B. 1.6 T C. 0.50 T D. 1.2 T E. 2.5 T
The siren on a police car emits waves with a frequency f = 500 Hz. You are standing by the side of the road when a police car, sounding its siren,
approaches you at 30.0 m/s. What frequency do you hear? The speed of sound is 340 m/s. A) 544 Hz B) 540 Hz C) 548 Hz D) 532 Hz E) 536 Hz
If a sensor was placed in the flow of Problem 4, it would rotate about the z-axis at what angular velocity at (1, ?1)?
(A) 5 rad/s (B) 4 rad/s (C) 3 rad/s (D) 2 rad/s
The Celsius degree is
a. the same size as the Fahrenheit degree. b. larger than the kelvin. c. the same size as the kelvin. d. smaller than the Fahrenheit degree.