$A$ plane mirror is placed vertically facing due north. An arrow pointing north-east is kept in front of the mirror. In which direction will the arrow point in this image?

Where should an object be placed in front of a concave mirror to obtain a real and diminished image?

The frequency,wavelength,or speed of light does not change on reflection.

We wish to obtain an erect image of an object,using a concave mirror of focal length $15\, cm$. What should be the range of distance of the object from the mirror? What is the nature of the image? Is the image larger or smaller than the object? Draw a ray diagram to show the image formation in this case.

What is the point,where the rays parallel to the principal axis meet after reflection,called?

If you want to see an enlarged image of your face, which type of mirror will you use? Where will you place your face?