L11.4 Electric and Magnetic fields in Space

What does a changing magnetic field produce?

• A) A magnetic field

• B) An electric field

• C) A gravitational field

• D) A sound wave

Tags

NGSS.HS-PS2-5

What are electromagnetic waves?

• A) Coupled, oscillating electric and magnetic fields that propagate through space and matter

• B) Sound waves that travel through air

• C) Static electric fields

• D) Magnetic fields that do not change

Tags

NGSS.HS-PS4-3

How do electromagnetic waves travel?

• A) As longitudinal waves

• B) As transverse waves

• C) As circular waves

• D) As stationary waves

Tags

NGSS.HS-PS4-3

In which direction do the electric and magnetic fields oscillate in electromagnetic waves?

• A) Parallel to the direction the wave travels

• B) Perpendicular to the direction the wave travels

• C) At an angle of 45 degrees to the direction the wave travels

• D) In the same direction as the wave travels

What is the relationship between the electric field vector and the magnetic field vector in electromagnetic waves?

• A) They are parallel to each other

• B) They are at right angles to each other

• C) They are at an angle of 45 degrees to each other

• D) They are in the same direction

What is the relationship between the frequency and wavelength of electromagnetic waves?

• A) Higher-frequency waves have longer wavelengths

• B) Higher-frequency waves have shorter wavelengths

• C) Frequency and wavelength are not related

• D) Lower-frequency waves have shorter wavelengths

Tags

NGSS.HS-PS4-1

What is the speed of an electromagnetic wave in a vacuum?

• 3.00 × 10^8 m/s

• 3.00 × 10^6 m/s

• 3.00 × 10^10 m/s

• 3.00 × 10^4 m/s

Tags

NGSS.HS-PS4-1

What is the relationship between the wavelength (λ), frequency (f), and speed (v) of an electromagnetic wave?

• λ = v * f

• λ = v / f

• λ = f / v

• λ = v + f

Tags

NGSS.HS-PS4-1

What is the term used to describe the range of frequencies and wavelengths that make up all forms of electromagnetic radiation?

• Electromagnetic radiation

• Electromagnetic spectrum

• Visible spectrum

• Radio waves

What is the energy carried by an electromagnetic wave called?

• Electromagnetic radiation

• Electromagnetic spectrum

• Visible light

• Radio waves