if a solar panel is covered with snow then it is not getting any light so it will not produce energy
Yes, sunlight that strikes a snow-covered surface is mostly reflected due to the high albedo of snow, which is the amount of solar radiation reflected by a surface. This reflection is why snow appears bright and can contribute to glare on sunny days.
Snow very effectively reflects solar radiation, meaning more of it goes back to the sky and less can be absorbed. Solar radiation must be absorbed by the surface in order for it to heat the surface. Your questions seems to ask about temperatures at night, which would not be influenced by snow's albedo (reflecting solar radiation during the day). Snow does keep the ground relatively warm - at least warmer than it otherwise might be - and that means the ground will lose more radiation when snow-covered. But this has nothing to do with its reflectivity.
A solar panel is used to save energy when the sun shines on it
Solar systems get their energy from the sun. Solar energy is captured by a solar panel, or collector. This panel converts solar energy to electrical energy.
One solar panel typically consists of multiple solar cells. The number of cells in a solar panel can vary depending on the size and type of panel. A standard residential solar panel may contain 60-72 individual solar cells.
Asphalt absorbs more solar radiation than snow due to its dark color and lower albedo, which allows it to capture and retain heat effectively. Snow, being lighter in color, reflects a significant portion of solar radiation, particularly when it is fresh and clean. Consequently, asphalt surfaces tend to warm up more quickly in sunlight compared to snow-covered areas.
In usual text, snow-covered would probably be hyphenated - otherwise the sentence could be misinterpreted - consider the difference between the concept of "snow-covered mountains" and the sentence "snow covered mountains".
Batteries are not used in solar panel construction
Your question does not make sense. There is no such thing as "the opposite of a solar panel."
A solar panel utilizes solar energy, which is energy from the sun that is converted into electricity.
Solar panels are comprised of several layers of materials which combine to become a solar panel. Starting with the solar cells which are arranged in a specific size per application on a sheet, covered with a tempered glass, and then wrapped in an aluminum frame to protect its sidewalls from damage. At the back, a junction box is installed so the panels can be wired into an array. Head to the Soligent website and there's tons of resources.
Because it's covered by a snow cap