e An image formed by a concave  cannot be obtained on a screen.
च अवतल  दवर बनय गय परतबब परद पर परपत नह कय ज सकत
<bos><start_of_turn>user
e An image formed by a concave  cannot be obtained on a screen.<end_of_turn>
<start_of_turn>model
च अवतल  दवर बनय गय परतबब परद पर परपत नह कय ज सकत<end_of_turn>
