This is the ray diagram of this situation... This explains the real image formed outside the mirror... But when we look into the mirror and as you said, real image can be seen inside the mirror and it's true.. but how to explain this image inside the mirror Using ray diagram?
In concave mirror, when object is beyond C ( centre of curvature) our traditional Ray diagrams show a real and inverted image formed between C and F. But at the same time, if we look directly into the mirror and remove the screen, we see an inverted image which appears to be inside the mirror...