Answer fast! which lens can produce a virtual image and a real image? concave lens convex lens flat lens

Convex lens.

Explanation:

This lens forms real images (images that can be focused on a screen when the object is beyond a distance beyond F the focal length of the lens.

If the object distance is less than the focal length( In front of the focal point or between the focal point and the pole of the lens) , the lens forms a virtual enlarged image,

not really sure but thinking 1.54 mm/us

the body's situation won't change the forces are equal opposit and on the same body