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Reflection of Light- Maharashtra Board Class 8 Solutions for General Science

Reflection of Light- Maharashtra Board Class 8 Solutions for General Science (English Medium)

MathematicsGeneral ScienceMaharashtra Board Solutions

Solution 1.a

The image formed in a plane mirror is always of the same size as that of the object.

Solution 1.b

The image formed in a plane mirror is located behind the mirror.

Solution 1.c

Regular reflection Irregular reflection
a.

Reflection formed from a smooth surface is called regular reflection.

Reflection formed from a rough surface is called irregular reflection.
b. When rays fall on a smooth surface, the angle of incidence and the angle of reflection are equal having parallel rays to each other, thus making a regular reflection. When rays fall on a rough surface, the reflected rays do not remain parallel to each other but get scattered over a wider surface, thus making an irregular reflection.

Solution 1.d

Infinite numbers of images are obtained in two parallel mirrors.

Solution 1.e

The two mirrors are placed parallel to each other in a periscope so that the image of an object formed on one mirror is reflected in a straight line on the other mirror.

Solution 2.a

Letters appear laterally inverted in a plane mirror because the left and right sides are interchanged in the image formed in the plane mirror. This phenomenon is called lateral inversion and the image formed is called laterally inverted.

Solution 2.b

The palace of mirrors has many mirrors placed at different angles to each other. These mirrors reflect the light from an object at different angles causing multiple reflections. Hence, there are numerous images seen in the palace of mirrors.

Solution 2.c

The image formed in water is of the same size as the object because the surface of water acts like a plane mirror and the rays of light get reflected to form an image of the same size.

Solution 3

 ‘A’  ‘B’
a. Image in a plane mirror 3. As big as the object
b. Regular reflection 2. Smooth surface
c. Angle of incidence = 30° 4. Angle of reflection = 30°
d. A shiny image 1. Fluorescent paint

Solution 4

  1. The incident ray, the normal and the reflected ray are all in the same plane.
  2. Reflection from a rough surface is called irregular reflection.
  3. In a periscope, we see a second reflection of an object.
  4. In a plane mirror, the image is laterally inverted.

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