Each lens is converging. The second lens has a larger focal length than the first $($f$2>$ f$1).$

$1)$

What does the beam look like when it emerges from the second lens?

The beam is converging

The beam is diverging

The beam is parallel to the axis with a width $<$ w$1$

The beam is parallel to the axis with a width $=$ w$1$

The beam is parallel to the axis with a width $>$ w$1$

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Your submissions:

E

Submitted:

Thursday, November $21$ at $10$:$21$ AM

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$2)$

Briefly explain your reasoning

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Your submissions:

Both laser beams will go through F$1,$ thus the distance will be greater than w$1.$ After pass F$2,$ both beams will be parallel to the axis, thus parallel.

Computed value:

Both laser beams will go through F$1,$ thus the distance will be greater than w$1.$ After pass F$2,$ both beams will be parallel to the axis, thus parallel.

Submitted:

Thursday, November $21$ at $10$:$23$ AM

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Feedback will be available after $11$:$00$ AM on Tuesday, December $3$

$3)$

What can we say about the intensity of the laser beam after the lens combination?

The final intensity is the same as the initial intensity.

The final intensity is greater than the initial intensity.

The final intensity is less than the initial intensity.

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$($Survey Question$)$

$4)$

Briefly explain your reasoning.