Exam_1_2007_A_v2_key - NAME:_ GT ID#_ LAB SECTION _ Page 1...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
NAME:_______________________________ LAB SECTION ________________ GT ID#________________________ Page 1 of 9 EAS 1600 - INTRODUCTION TO ENVIRONMENTAL SCIENCES Fall, 2007 Exam 1 – 09/21/07 < Relevant formulas, etc are included at the end of the exam < Place your name on each page < This is a closed-book exam; all are expected to comply with Georgia Tech Honor Code I am aware and in compliance with the Georgia Tech Honor Code. I also agree to abide by the grading policies of this class. Signature: ____________________________________________________________ A
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
NAME:_______________________________ LAB SECTION ________________ Page 2 of 9 Answer the following multiple choice questions (1 – 8) by circling the appropriate answer. 1. Approximately how many hours of sunlight will Beijing receive today (latitude = 40 o N ) ? (3 points) a) 10 b) 8 c) 12 d) 14 2. Consider a metal plate that orbits the Sun at the same distance as the Earth. The plate is oriented that the Sun’s light strikes it at a 30 o degree angle with respect to a normal line from the surface. What is the intensity of the radiation striking the plate? (3 points) a) 1512 W m -2 b) 1186 W m -2 c) 685 W m -2 d) 969 W m -2 3. The eruption of the volcano Mt. Pinatubo in 1991 led to 1992 being the coldest year in the last part of the 20 th century. Why? (3 points) a) The eruption removed a lot of carbon dioxide from the atmosphere. b) Acid rain from the explosion enhanced carbon dioxide loss from the atmosphere. c) The albedo of the Earth was increased. d) The albedo of the Earth was decreased. 4 . A star emits light with a maximum intensity at a wavelength of 1400 nm. What is the temperature of the star? (3 points) a) 207 K b) 207 o C c) 2070 K d) 2343 o C
Background image of page 2
NAME:_______________________________ LAB SECTION ________________ GT ID#________________________ Page 3 of 9 5 . What is the density of air at 5.5 km altitude where the temperature is –10 o C ( 3 p o i n t s ) a) 0.7 kg cm -3 b) 1.3 kg m -3 c) 0.66 g cm -3 d) 0.66 kg m -3 6 . Consider planet X with a diameter that is twice that of Earth but with the same mass (i.e. same gravitational constant). The surface pressure on planet X is 1 atm, the same as on Earth. This means that the mass of planet X’s atmosphere is ________ times that of
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/08/2011 for the course EAS 1600 taught by Professor Jimstjohn during the Fall '08 term at Georgia Institute of Technology.

Page1 / 9

Exam_1_2007_A_v2_key - NAME:_ GT ID#_ LAB SECTION _ Page 1...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online