Two students while sitting across a table looked down on to its top surface. They noticed that they could see their own and each other’s image. The table top is likely to be made of:

For the image formation the surface should be reflecting like mirror. Non reflecting or rough surfaces do not form the images.

● Option (a) : unpolished wood is non reflecting surface also it is rough and opaque. Hence it will not form the image. Hence it is not correct option.

● Option (b) : red stone is rough, opaque and non reflecting surface. Therefore it will not form the image of students. Hence it is incorrect.

● Option (c) : glass sheet is smooth and reflecting hence it will form the image of the students and students will be able to see it. Therefore the option (c) is correct answer.

● Option (d) : wood top covered with cloth is rough and it is also opaque hence it do not allow light to pass through it hence it will not form the image.