Podcast
Questions and Answers
How does an electromagnetic wave begin?
How does an electromagnetic wave begin?
- When an electrically charged particle vibrates (correct)
- When an electric field touches an object
- When a magnetic field starts vibrating
- When a charged particle loses energy
Which fields combine to create an electromagnetic wave?
Which fields combine to create an electromagnetic wave?
- Magnetic and mechanical fields
- Electric and sound fields
- Electromagnetic and gravitational fields
- Electric and magnetic fields (correct)
What is the most important source of electromagnetic waves on Earth?
What is the most important source of electromagnetic waves on Earth?
- The moon
- Jupiter
- The sun (correct)
- Mars
Which type of electromagnetic waves have the shortest wavelengths and highest frequencies?
Which type of electromagnetic waves have the shortest wavelengths and highest frequencies?
What happens when electromagnetic waves strike matter?
What happens when electromagnetic waves strike matter?
What is the full range of electromagnetic radiation called?
What is the full range of electromagnetic radiation called?
What is the main characteristic of electromagnetic waves?
What is the main characteristic of electromagnetic waves?
How is the transfer of energy by electromagnetic waves described?
How is the transfer of energy by electromagnetic waves described?
What is the function of a magnetic field around a magnet?
What is the function of a magnetic field around a magnet?
What is the purpose of the electric field surrounding a charged particle?
What is the purpose of the electric field surrounding a charged particle?
How do microwaves transfer energy inside a microwave oven?
How do microwaves transfer energy inside a microwave oven?
What can you observe when placing iron objects near a magnet?
What can you observe when placing iron objects near a magnet?
Flashcards are hidden until you start studying
