Understanding Sinusoidal Waves and Periods

What type of mathematical functions are used to represent visible light waves in the video?

• Polynomial functions

• Logarithmic functions

• Exponential functions

• Trigonometric functions

How is the period of a sinusoidal wave generally calculated?

• By calculating the slope of the wave

• By adding the maximum and minimum points

• By dividing 2π by the frequency

• By measuring the amplitude

Which line in the graph is identified as having the longest period?

• Line C

• Line A

• Line B

• Line D

What is the difference in nanometers between the minimum and maximum points for line A?

• 220 nanometers

• 280 nanometers

• 320 nanometers

• 340 nanometers

Which method is suggested to justify the answer for the longest period wave?

• Estimating by visual inspection

• Calculating the average amplitude

• Counting the number of cycles

• Measuring the distance between minimum and maximum points