Title: The ratio of the light-gathering power of Reflecting Telescope 1 with a primary mirror of diameter ... Post by: cheo8907 on Mar 19, 2018 The ratio of the light-gathering power of Reflecting Telescope 1 with a primary mirror of diameter 1.6 m to Reflecting Telescope 2 with a primary mirror of diameter 0.008 m is ____.
A) 40 to 1 B) 400 to 1 C) 4000 to 1 D) 40,000 to 1 Question 2 Radio telescopes have poor resolving power because: A) they have the smallest diameters. B) they cannot measure wavelengths larger than 102 m. C) radio waves have long wavelengths. D) radio waves have small diffraction fringes. Question 3 In the context of the electromagnetic spectrum, which of the following forms of electromagnetic radiation has a shorter wavelength than the shortest wavelength of visible light? A) Red light B) Microwaves C) Radio waves D) Ultraviolet light Title: The ratio of the light-gathering power of Reflecting Telescope 1 with a primary mirror of diameter ... Post by: crg0202 on Mar 19, 2018 D C D |