Pupil sheet · Light and the electromagnetic spectrum
Light and the electromagnetic spectrum — return questions
Name ______________________ Date ____________
Use one to two weeks after the lessons. Keep the notes and the lesson closed.
1. describe / state
(a) Describe what happens when a narrow beam of white light passes through a glass prism. (b) State the seven colours of the visible spectrum in order of increasing frequency. (c) State the seven main regions of the electromagnetic spectrum in order of increasing wavelength. (d) Supplement. State what is meant by monochromatic light.
(a) White light through a prism
(b) The colours by frequency
(c) The regions by wavelength
(d) Supplement: monochromatic
2. state / describe
(a) State what is the same for all electromagnetic waves in a vacuum. (b) Supplement. State the speed of electromagnetic waves in a vacuum, and how their speed in air compares. (c) Give one use each of microwaves, ultraviolet and gamma rays. (d) Describe the harm that too much X-radiation can do to the body.
(a) What is the same
(b) Supplement: the speed
(c) Three uses
(d) The harm from X-rays