Aids where a bright light is passed through a transparent picture, and by means of lens, an enlarged picture is thrown on the screen is?
Aids where a bright light is passed through a transparent picture, and by means of lens, an enlarged picture is thrown on the screen is?
ایڈز جہاں ایک روشن روشنی کو شفاف تصویر سے گزارا جاتا ہے اور عینک کے ذریعے اسکرین پر ایک بڑی تصویر پھینکی جاتی ہے؟
Explanation
The aids described, where a bright light is passed through a transparent picture and an enlarged picture is projected onto a screen, are known as "Projected aids."