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5PACK Professional 1mw 650nm Red Laser Pointer Pen Visible Red Beam Light Lazer for Pet Cat Dog Toys - Walmart.com
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Amazon.com: Danigh-buy Laser Pointer Pen[Material Upgrade], Long Range Red Laser Pointer High Power, Laser Toy for Night Astronomy Outdoor Camping Hunting and Hiking, USB Charge : Sports & Outdoors
![SOLVED: Consider a typical red laser pointer with wavelength 651 nm. What is the light's frequency in hertz? (Recall the speed of light c = 3.0 × 108 m/s). SOLVED: Consider a typical red laser pointer with wavelength 651 nm. What is the light's frequency in hertz? (Recall the speed of light c = 3.0 × 108 m/s).](https://cdn.numerade.com/ask_previews/eea1f7c3-e3a7-466d-bd6d-579b1e284b80_large.jpg)