The height of a real and inverted image of an object of size 4 cm is 20 cm. The ratio of the image distance and the object distance is _____.

Which of the following should be taken as positive according to the new cartesian sign convention? (Note: the object is standing in front of the mirror along the +y direction.)

both the height of an object and the height of a virtual and upright image are positive.

A real image is always _____.

the real image is always formed as inverted, therefore, for real image height is taken as negative.

An object of size 12 cm is placed in front of a concave mirror, it forms a real and inverted image of size 18 cm. What is the magnification of the image?

The position of an object is always taken to be towards the ____ of the mirror.

object is always placed to the left of mirror.

The magnification of an image is found to be -2.5. Which of the following is true about it?
a. It is real and inverted
b. It is diminished
c. It is magnified
d. It is formed in front of the concave mirror
e. It is formed behind the mirror
f. It is virtual and upright

In the following figure, the magnification of the candle's image is____.

In which of the following cases is the image produced not magnified?

The focal length of any spherical mirror is ____ its radius of curvature. 

All the horizontal distances should be measured from the ____ of the mirror. 

The focal length of a concave mirror is taken to be _____ as per the sign convention. 

The magnification for a certain position of an object is found to be –1.5. What can you say about the size of the image?

According to the new cartesian sign convention the principal axis of a spherical mirror is taken to be the ____. 

An image is said to be diminished when its size is _____ the size of its object.

According to the new cartesian sign convention the pole of a spherical mirror is taken to be the ____. 

A magnified image formed by a spherical mirror is _____.