- Plane mirror property: Object distance from mirror = Image distance from mirror. - Image is behind the mirror. - Distance between object and image is (object distance) + (image distance) = 2 (object distance).
A lady is standing in front of a plane mirror at a distance of 1 m from it. She walks 60 cm towards the mirror. The distance of her image now from herself (ignoring the thickness of the mirror) is
Asked in UPSC NDA 1 2016 · Topic: Optics (Reflection and Refraction at plane and spherical surfaces)
More Physics questions
- Which one of the following is the natural phenomenon based on which a simple periscope works ?
- Which one of the following statements about the refractive index of a material medium with respect to air is correct ?
- The Sun is seen little before it rises and for a short while after it sets. This is because of
- The image we see in plane mirror is
- Which one of the following colours may be obtained by combining green and red colours ?
- Which of the following are the primary colours of light ?
- Which one of the following statements is *not* correct for light rays ?
- Twinkling of stars is due to