Answer :
He will not get a sunburn because the UV radiation is less likely to penetrate the glass barrier and cause cellular damage when the window is open.
Sunburn is a common and painful symptom of skin damage caused by spending too much time outside without wearing a protective sunscreen. Years of sun exposure cause premature wrinkling, skin aging, age spots, and an increased risk of skin cancer. Sun exposure can cause eye burns in addition to skin burns. How Long Does a Sunburn Last? A sunburn, which causes the skin to swell and become hot to the touch, can take up to a week to heal completely. A severe sunburn can take up to two weeks to heal, characterized by intensely hot, red skin followed by blisters.
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