11. a bird is flying towards a large concave mirror
along its principal axis. the size of its image in the
mirror
(1 Point)
increases gradually
decreases gradually
first increases then decreases
first decreases then increases
Answers
Answer:
d. first decreases then increase
Answer:
The size of the image of bird flying towards a concave mirror along its principal axis first decreases then increases.
Explanation:
A mirror is a reflecting surface that reflects any type of light incident on it. Its surface can be flat (plane mirror)or curved (spherical mirror). Principal axis is the straight line passing through the pole and centre of curvature of the spherical mirror.
Concave mirror is a type of spherical mirror in which the inner surface act as a reflecting surface. If an object is placed close to the concave mirror, an erect, magnified and virtual image is captured. If the distance between the object and mirror increases the size of the image decreases and a real and inverted image is obtained.
To know more about concave mirror
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To know more about principal axis
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