Fill in the blanks:
1.......................mirrors are used as shaving mirrors and reflectors in torches.
2......................mirrors are used as rear-view or side-view mirrors.
3.When the image is erect ,same size as that of the object and does not change its size and nature on moving the mirror closer or away from the face,the mirror is........................mirror.
4.When the image is erect , diminished and remains erect on moving the mirror away from the face , the mirror is a......................... mirror.
5.When the image is erect , magnified and becomes inverted on moving the mirror away from the object, the mirror is a...................... mirror.
6......................is a converging lens and has a real focus.
7..........................lenses are used in making spectacles for people who cannot see distant objects clearly.