Question

NATS 1580 A Assignment 1 Due date: Feb 11. 2020 Each question is worth 10 marks and assignment is worth 10% of your final grade. Please show all your calculation with proper units. (a) What color is typically associated with 600 nm? What is its frequency (b) What color is typically associated with 532 nm? What is its frequency? (c) What color is typically associated with 589 nm? What is its frequency? (d) In what part of the EM spectrum does the radiation from your body exist? What is a typical wavelength? (a) What is the distance from the Sun to Earth in terms of solar rado? Earth radi? (b) How long (in days) does it take a parcel of solar wind traveling at 400 km s to reach each planet? (Mercury = 0.4 AU, Mars = 1.5 AU, Jupiter s5 AU, Uranus = 20 AU, Neptune = 30 AU). (c) Calculate how many Earths could fit inside the Sun? During fusion of hydrogen to helium, 4 billion kg of matter are converted to energy each second What fraction of the Sun's total mass is lost each year to this process? Order the following electromagnetic bands in terms of energy from lowest to highest: X-ray, visible, gamma ray, radio, microwave, ultraviolet, and infrared). Which band has the highest frequency? Which band has the longest wavelength? Which frequency of EM radiation corresponds to a wavelength of 1 m? Using Wein's law, at what wavelength does the Sun emit the most electromagnetic radiation is this in the visible part of the electromagnetic spectrum? If so, to what color does this correspond? a) Name three differences between geomagnetic storms and substorms, b) What is the name of the boundary that separates Earth's magnetosphere from the solar wind? How would you tell when you crossed this boundary?

Answer 1

Q. What color is typically associated with 600nm? What is its frequency?

Ans.At 600 nm, color typically associated is orange and it frequency is equal to velocity of the radiations divided by its wavelength

Velocity of the light = 3 x 108 m/s

WAVELENGHT = 600 x 10 -9 m

THEREFORE

Frequency = 3 x 108 m/s divided by 600 x 10 -9 m = 5.00 X1014 HZ

Q. What color is typically associated with 532nm? What is its frequency?

Ans.At 532 nm, color typically associated is orange and it frequency is equal to velocity of the radiations divided by its wavelength

Velocity of the light = 3 x 108 m/s

WAVELENGHT = 532 x 10 -9 m

THEREFORE

Frequency = 3 x 108 m/s divided by 532x 10 -9 m = 5.60 X1014 HZ

Q. What color is typically associated with 589nm? What is its frequency?

Ans. At 589 nm, color typically associated is orange and it frequency is equal to velocity of the radiations divided by its wavelength

Velocity of the light = 3 x 108 m/s

WAVELENGHT = 589 x 10 -9 m

THEREFORE

Frequency = 3 x 108 m/s divided by 589 x 10 -9 m = 5.09 X1014 HZ

Q. In what part of the EM Spectrum does the radiation from your body exist ? what is the typical wavelength

Ans. Most radiation from the body in visible light spectrum and their typical wavelength is 400nm to 700 nm

Q. What is the distance from the Sun to earth in terms of solar radii and earth radii?

Ans. The average distance between Sun and the earth is 149, 600,000 Km, Solar radii is the average radius of the sun and radii is 695,500 km and Earth radii is the average radius of the earth is 6371 km

The distance between Sun and earth in Terms of Solar radii is 215

The distance between Sun and earth in Terms of Earth radii is 23481