PHYS 1403 Week 2 Quiz

PHYS 1403 Week 2 Quiz | Assignment Help | Central Texas College

•             Question 1

                Astronomy is most accurately defined as:                                            

•             Question 2

                When an electron is completely removed from an atom the atom is said to be:                                 

•             Question 3

                The North Celestial Pole has a declination of                                      

•             Question 4

                The point on the Celestial Sphere directly above your head is called your:                                            

•             Question 5

                The average distance between the Earth and the Sun is described as:                                    

•             Question 6

                Ground telescopes view the light coming from celestial objects through the turbulent atmosphere of the Earth. The distortion effect this turbulence causes to the light passing through it is called:                                         

•             Question 7

                Arrange the types of radiation on the electromagnetic spectrum from the shortest wavelength to the longest                                  

•             Question 8

                The heliocentric model of the solar system was most prominently developed by                                              

•             Question 9

                According to Kepler's Third law, a planet's orbital period is directly proportional to the cube of its:                                            

•             Question 10

                Changing the wavelength of a light wave also changes its:                                           

•             Question 11

                A Light-Year is a unit of:                                

•             Question 12

                The wavelength of a photon of light is given as 600nm. Calculate the Energy of the photon with this wavelength. Planks constant is h = 6.63 x 10^-34 m^2/kg/s                                    

•             Question 13

                The position in a planet's orbit at which it is closest to the Sun is called:                                  

•             Question 14

                 True or false: A Hypothesis is an idea in science that has been repeatedly observed and/or tested and shown to be true.                                     

•             Question 15

                The speed of light is known to be approximately 300,000,000 meters per second. How would you express this value in scientific notation? Assume units of m/s.                                        

•             Question 16

                What is the light collecting area of a 3m diameter telescope?                                     

•             Question 17

                The amount of time it takes light to travel from our Sun to the Earth is approximately:                                   

•             Question 18

                Astronomers can determine the atmospheric composition of distant stars by studying their:                                      

•             Question 19

                Two objects of the same mass are separated by a distance (d). Doubling that distance would result in the gravitational force between the two objects to:                                               

•             Question 20

                An astronaut on the International Space Station is said to weightless. This means the astronaut has attained zero mass.