[Yeah, at home, I'm too lazy to even write down equations]
[But that hand looks like it could play the piano…]
On the screen, everyone could see a pale hand holding a pen and writing on paper, slender and fair, with smooth knuckles—it looked like a piece of art under the camera.
As the comments continued, the camera suddenly provided a high-definition close-up of the mobile phone.
Everyone could see the problem displayed on the phone, a small ball in a vacuum, illuminated by a 280 nanometer wavelength ultraviolet light... asking for the maximum kinetic energy of escaping photoelectrons... speed at infinite distance... number of photoelectrons.
The production team added an image of a little yellow face kneeling, with the caption: "High school students really don't have it easy these days."
[I can understand each problem individually, but when they're combined, I'm lost]
[You better confirm this is a high school problem]