Magnetic Declination (Grade 12 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does magnetic declination represent?
What does magnetic declination represent?
Angular difference between TN & MN
Which characteristic describes True North?
Which characteristic describes True North?
Points to North Pole & remains constant
What do you do if the annual change is eastwards?
What do you do if the annual change is eastwards?
Subtract total change from original MD
What do you do if the annual change is westwards?
What do you do if the annual change is westwards?
Add total change to original MD
MD is 15°20'W (2000), annual change 3'W. What is MD for 2010?
MD is 15°20'W (2000), annual change 3'W. What is MD for 2010?
15°50' west of TN
MD is 22°40'W (1995), annual change 2'E. What is MD for 2005?
MD is 22°40'W (1995), annual change 2'E. What is MD for 2005?
22°20' west of TN
How do you convert 23°.5W to degrees and minutes?
How do you convert 23°.5W to degrees and minutes?
Multiply 0.5 by 6 to get 23°30'W
How do you convert 31°77'W to proper format?
How do you convert 31°77'W to proper format?
32°17'W by subtracting 60' & adding 1°
How should you express your final MD answer?
How should you express your final MD answer?
Always as 'west of true north'
What does Annual Change show?
What does Annual Change show?
Yearly MD shift, eastward or westward