Electromagnetic Waves

The speed of electromagnetic waves in vacuum is ...

Electromagnetic waves are ... waves.

The order of electromagnetic waves from longest to shortest wavelength is ...

The type of electromagnetic wave with the longest wavelength is ...

Electromagnetic waves can propagate ...

The relationship between the speed $c$, wavelength $\lambda$, and frequency $f$ of an electromagnetic wave is ...

Light with a wavelength of $600\text{nm}$ has a frequency of ...

An FM radio signal has a frequency of $100\text{MHz}$. Its wavelength is ...

The energy of a photon with frequency $5\times 10^{14}\text{Hz}$ is ... $(h=6.63\times 10^{-34}\text{J}\cdot \text{s})$

Compared with visible light, ultraviolet waves have a ... frequency.

A radio wave with a wavelength of $1.5\text{m}$ has a frequency of ...

A photon with a wavelength of $300\text{nm}$ has an energy of about ... $(h=6.63\times 10^{-34}\text{J}\cdot \text{s},c=3\times 10^8\text{m/s},1\text{eV}=1.6\times 10^{-19}\text{J})$

Everyday uses of microwaves include ...

If the frequency of an electromagnetic wave is increased, its wavelength ...

The momentum of a photon with wavelength $\lambda$ is ...

A lamp emits $10\text{W}$ of power at a wavelength of $600\text{nm}$. The number of photons emitted per second is about ...

An X-ray photon has a wavelength of $0.1\text{nm}$. Its energy is ...

A photon with energy $1.99\times 10^{-15}\text{J}$ is equivalent to ... $(1\text{eV}=1.6\times 10^{-19}\text{J})$

In an electromagnetic wave, the electric and magnetic fields are always ...

Light of wavelength $600\text{nm}$ in vacuum enters a medium with refractive index $1.5$. Its wavelength inside the medium is ...