Explain the following terms- a)Reflection of light b) Life cycle of silk moth c) Dispersion and lateral inversion
Answers
Answer:
i ) The fact when the light bounces back, and when it falls on the surface, it is reflected in the same medium by making an angle of reflection equal to the angle of incidence. To be very simple, when light is pointed towards a smooth surface, it bounces back, it is known as a reflection of light.
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Life Cycle of Silk Moth. The female silk moth lays about 300 to 400 eggs at a time. The eggs hatch and the caterpillars or silkworms emerge.Inside the cocoon, the silkworm enters the second stage of its life (called the pupa) and then the third and final stage to become an adult moth.
iii) Lateral inversion - The phenomenon of left side appearing right side and
right side appearing left side on reflection in a plane mirror is called
lateral inversion
Explanation:
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Answer:
a) Reflection of light: Reflection is when light bounces off an object.
b) Life cycle of silk moth: The life cycle of silk moth starts when a female silk moth lays eggs. The caterpillar or larvae are hatched from the eggs of the silk moth. The silkworms feed on mulberry leaves and give rise to pupa. In pupa stage, a weave is netted around by the silkworm to hold itself.
c) Dispersion: Dispersion of Light' can be defined as the splitting of white light when it passes through a glass prism into its constituent spectrum of colors (i.e. violet, indigo, blue, green, yellow, orange and red).
d) Lateral Inversion: It is the phenomenon in which the right side of the object appears to be the left side of the image and vice versa. For example, if you stand in front of a plane mirror and raise your left hand, the image in the mirror will raise its right hand.