When a ray of light travels from air to water, its speeds up.
22.The incident ray, the normal to the mirror at the point of incidence and the reflected ray, all lie in the
same plane.
23.Image formed bya plane mirror is always virtual and erect.
24.The principal focus of a spherical mirror lies midway between the pole and centre of curvature
true or false
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I don't know what are you saying
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When a ray of light travels from air to water, its speeds up.-False
22.The incident ray, the normal to the mirror at the point of incidence and the reflected ray, all lie in the
same plane.-True
23.Image formed bya plane mirror is always virtual and erect.-True
24.The principal focus of a spherical mirror lies midway between the pole and centre of curvature-True
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