Which of these is a consequence of atmospheric refraction?
a. The Sun and Moon appear to set sooner than they actually set.
b. The Sun appears smaller when it is directly overhead.
c. The Moon appears larger when it is directly overhead.
d. Planetary bodies directly overhead appear displaced from that location.
e. The Sun and Moon appear to rise sooner than they actually rise.
e
You might also like to view...
Two long straight parallel lines, #1 and #2, carry uniform positive linear charge densities. The charge density on line #2 is twice as great as the charge density on line #1
The locus of points where the electric field due to these lines is zero is A) along a line between the lines closer to line #2 than line #1. B) at a point midway between the lines. C) along a line perpendicular to lines #1 and #2. D) along a line between the lines closer to line #1 than line #2.
If an electron has a wavelength of 0.123 nm, what is its kinetic energy, in electron-volts? This energy is not in the relativistic region. (melectron = 9.11 × 10-31 kg, 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)
A) 19.8 eV B) 60.2 eV C) 80.4 eV D) 99.5 eV E) 124 eV
An airplane in a wide sweeping "outside" loop can create 0-g inside the aircraft cabin. What must be the radius of curvature of the flight path for an aircraft moving at 180 m/s to create a condition of "weightlessness" inside the aircraft?
a. 1150 m c. 2300 m b. 1800 m d. 3300 m
Which of the following lists the planets of our solar system in the correct order from closest to farthest from the Sun?
A) Earth, Mars, Mercury, Venus, Jupiter, Saturn, Uranus, Neptune B) Mercury, Earth, Venus, Mars, Jupiter, Saturn, Neptune, Uranus C) Mercury, Venus, Mars, Earth, Saturn, Jupiter, Neptune, Uranus D) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune