NCERT Solutions for Class 8 Science Chapter 16
Important NCERT Questions
8th Chapter 16 Light
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 1
Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.
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1. Dark Room and Object Visibility:
– In a dark room with no light sources, the absence of illumination impedes your ability to see objects.
– Vision relies on light reflecting off objects into your eyes. Without light, objects within the room are difficult, if not impossible, to see.
2. Seeing Objects Outside the Room:
– Visibility outside the dark room depends on external light sources like streetlights or moonlight.
– If there are windows or openings, some objects might still be visible, but the degree of visibility is determined by the amount of available external light.
3. Summary:
– In a dark room without external light, seeing objects within becomes challenging.
– Visibility of objects outside the room relies on external light sources and the presence of openings for light to enter.
We can see any object, when light reflected by that object reaches to our eyes. But in the dark room, no light is reflected by the object. Hence, we are not able to see the objects in dark room. But if there is light outside the room, we can see the objects lying out there.
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