Q1
How does light travel?
AIn straight lines
BIn curved lines only
CRandomly
DIt doesn't travel
SSCClass 6 (SSC)Science (सामान्य विज्ञान)Ch 7 · Topic 1
A Journey of Light
Light travels in straight lines and can be reflected or refracted, and understanding its properties helps explain how we see and use light.
Core concept
Light travels in straight lines, which is why shadows form when an object blocks light, creating a dark area behind it.
How it works
Reflection occurs when light bounces off a surface, like how we see ourselves in a mirror due to reflected light.
Why it matters
Refraction occurs when light bends as it passes from one medium to another, like a straw appearing bent in a glass of water.
Key detail
Understanding light's properties helps explain everyday phenomena like mirrors, shadows, and why objects appear different in water.
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• Light travels in straight lines.
• This is why shadows form (light blocked).
• Reflection: light bounces off a surface.
• Example: seeing ourselves in a mirror.
• Refraction: light bends between mediums.
• Example: straw appears bent in water.
• These explain everyday light phenomena.
• This includes mirrors and shadows.