364692 A person $AB$ of height $170cm$ is standing in front of a vertical plane mirror. His eyes are at height $164cm$ from ground. At what distance from $P$ should a hole be made in the mirror so that he cannot see the top of his head?

364693 A ray of light is incident on a plane mirror at an angle of ${60}^{\circ }$ . The angle of deviation produced by the mirror is :

364694 A small object is placed $10cm$ in front of a plane mirror. If you stand behind the object, $30cm$ from the mirror and look at its image, for what distance must you focus your eyes?

364691 When one light ray is reflected from a plane mirror with ${30}^{\circ }$ angle of reflection, the angle of deviation of the ray after reflection is

364692 A person $AB$ of height $170cm$ is standing in front of a vertical plane mirror. His eyes are at height $164cm$ from ground. At what distance from $P$ should a hole be made in the mirror so that he cannot see the top of his head?

364693 A ray of light is incident on a plane mirror at an angle of ${60}^{\circ }$ . The angle of deviation produced by the mirror is :

364694 A small object is placed $10cm$ in front of a plane mirror. If you stand behind the object, $30cm$ from the mirror and look at its image, for what distance must you focus your eyes?

364691 When one light ray is reflected from a plane mirror with ${30}^{\circ }$ angle of reflection, the angle of deviation of the ray after reflection is

364692 A person $AB$ of height $170cm$ is standing in front of a vertical plane mirror. His eyes are at height $164cm$ from ground. At what distance from $P$ should a hole be made in the mirror so that he cannot see the top of his head?

364693 A ray of light is incident on a plane mirror at an angle of ${60}^{\circ }$ . The angle of deviation produced by the mirror is :

364694 A small object is placed $10cm$ in front of a plane mirror. If you stand behind the object, $30cm$ from the mirror and look at its image, for what distance must you focus your eyes?

364691 When one light ray is reflected from a plane mirror with ${30}^{\circ }$ angle of reflection, the angle of deviation of the ray after reflection is

364692 A person $AB$ of height $170cm$ is standing in front of a vertical plane mirror. His eyes are at height $164cm$ from ground. At what distance from $P$ should a hole be made in the mirror so that he cannot see the top of his head?

364693 A ray of light is incident on a plane mirror at an angle of ${60}^{\circ }$ . The angle of deviation produced by the mirror is :

364694 A small object is placed $10cm$ in front of a plane mirror. If you stand behind the object, $30cm$ from the mirror and look at its image, for what distance must you focus your eyes?