Question
The magnification of the image of an object is found to be 1.25. Which of the following is true about it?
- The image is real and inverted
- The image is formed by a convex mirror
- The image is diminished
- None of these
Hint:
None of these
The correct answer is: None of these
none the gives cases are true.
Related Questions to study
An object is placed at a distance of 20 cm from a convex mirror. Its image is formed at a distance of 10 cm from the mirror. The magnification is ____.
An object is placed at a distance of 20 cm from a convex mirror. Its image is formed at a distance of 10 cm from the mirror. The magnification is ____.
Which of the following should be taken as negative according to the new cartesian sign convention? (Note: the object is standing in front of a concave mirror.)
all the given cases show negative signs for a concave mirror.
Which of the following should be taken as negative according to the new cartesian sign convention? (Note: the object is standing in front of a concave mirror.)
all the given cases show negative signs for a concave mirror.
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 _____.
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.
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.
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?
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 position of an object is always taken to be towards the ____ of the mirror.
object is always placed to the left of mirror.