If they are back to back, only 1.
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If they are face to face,it's not infinite, it's finite, because the speed of light is finite.
Actually, when you look at one of these mirrors, the number of images will increase continuously at the velocity "c", so you can accept that its limit is infinite, but in other hand it's finite because the speed of light "c" is finite, it's a physical "optical" paradox.
infinite number of images are formed in both the mirrors if the mirrors are kept parallel
3 Images
Three images will be formed
3.3.3.3.
If 2 mirrors are placed perpendicular to each other then infinite no of images will be formed because image formed by one mirror will act as the object for the other and vice verse.
four
infinite number of images are formed in both the mirrors if the mirrors are kept parallel
in my opinion only 2 images will be formed because the mirror is parallel and the candle between the mirror will stop the reflection.
Infinite
3 Images
If the mirrors are exactly parallel - there will be an infinite number of images, as they will be reflected indefinitely.
when we stand between two parallel mirrors the first one reflects us and the second one reflects the first mirror this is why we see many images of our self when you stand between two parallel mirrors.
2 images are formed
Three images will be formed
5
In theory, there should be infinitely many images. In practice, though, imperfections in the mirrors, diffusion in glass and the air gap between the mirrors mean that there are not infinitely many images.
In theory, there should be an infinite number. In practice, though, the quality of the mirrors - the reflective surfaces as well as the glass in front of them - will reduce that number. The separation between the mirrors will also play a role by dispersing light as it bounces back and forth between the mirrors.