Answer the following questions.
1. What is meant by reflection of light?
2. State the laws of reflection.
3. What are luminous objects?
Give any two examples
4. Write any two differences between regular and diffused reflection.
5. How does light enable us to see the objects?
plz give me the correct answer
Answers
Answer - i) Reflection is when light bounces off an object. If the surface is smooth and shiny, like glass, water or polished metal, the light will reflect at the same angle as it hit the surface. This is called specular reflection.
ii) There are two laws of reflection. (i) Angle of incidence is always equal to the angle of reflection. (ii) The incident ray, the normal at the point of incidence, and the reflected ray all lie in the same plane.
iii) Luminous objects are objects that generate their own light. Illuminated objects are objects that are capable of reflecting light to our eyes. The sun is an example of a luminous object, while the moon is an illuminated object. During the day, the sun generates sufficient light to illuminate objects on Earth.
Examples of luminous objects are:
the sun. flame in a lamp. tube light. electric bulb.
v) Rays of light reflect, or bounce off, objects just like a ball bounces on the ground. This reflection of light is what enables us to see everything around us. ... A flat mirror reflects an exact, though reversed, image of an object because the reflected light rays travel at parallel paths.
Explanation:
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Answer:
1.The phenomenon, of change in the direction of light rays ,when the 'fall' on a polished surface ,is called 'reflection of light ' .
Explanation:
2. 1st law: The incident ray , the normal at the point of incidence and the reflected ray,all lie in the same plane . 2nd law : The angle of incidence and the angle of reflection are equal to each other.