$4.[0\mathrm{.}28/2$ Points$]$

SERPSE$1033.$C$.$P$\mathrm{.}051.$

$($a$)$ Find the wavelength.

$[$ m

$($b$)$ Find the period.

$]$ns

$($c$)$ Find the maximum value of the magnetic field.

pT

$($d$)$ Write expressions in SI units for the space and time variations of the electric field. $(\backslash ($ x $\backslash )$ is in meters, and $\backslash ($ t $\backslash )$ in seconds.$)$

magnitude $\backslash ($ E$=\backslash )$

$])\backslash (\backslash$cos $2\backslash$pi$(\backslash )$

$|$t$)$

direction

Write expressions in SI units for the space and time variations of the magnetic field. $(\backslash ($ x $\backslash )$ is in meters, and $\backslash ($ t $\backslash )$ in seconds.$)$

magnitude $\backslash ($ B$=(\backslash ))\backslash (\backslash$cos $2\backslash$pi$(\backslash )$

$]\backslash ($ x$-\backslash )$

$]\backslash ($ t$)\backslash )$

direction

$($e$)$ Find the average power per unit area this wave carries through space.

$\backslash (\backslash$mathrm$\{$w$\}/\backslash$mathrm$\{$m$\}^\{2\}\backslash )$

$($f$)$ Find the average energy density in the radiation.

$\backslash (\backslash$mathrm$\{$J$\}/\backslash$mathrm$\{$m$\}^\{3\}\backslash )$

$($g$)$ What radiation pressure would this wave exert upon a perfectly reflecting surface at normal incidence?