Class 6 Exam > Class 6 Videos > Living Science (Ratna Sagar) for Class 6 > Light, Shadows and Reflections
Light, Shadows and Reflections Video Lecture | Living Science (Ratna Sagar) for Class 6
FAQs on Light, Shadows and Reflections Video Lecture - Living Science (Ratna Sagar) for Class 6
| 1. What is light and why is it important in our daily lives? |  |
Ans. Light is a form of energy that allows us to see the world around us. It is essential for various activities such as reading, cooking, and playing. Natural light from the sun provides warmth and supports photosynthesis in plants, which is vital for life on Earth.
| 2. How do shadows form? | |
Ans. Shadows are formed when an opaque object blocks the path of light. When light travels in a straight line and encounters an object, it cannot pass through, resulting in a shadow being cast on the surface behind the object.
| 3. What are reflections and how do they occur? | |
Ans. Reflections occur when light bounces off a surface. This happens when light strikes a shiny surface, like a mirror or still water, allowing us to see an image of ourselves or the surroundings. The angle at which the light hits the surface determines the angle at which it reflects.
| 4. What are the differences between transparent, translucent, and opaque materials? | |
Ans. Transparent materials allow light to pass through completely, enabling clear visibility (e.g., glass). Translucent materials allow some light to pass through but scatter it, causing blurred images (e.g., frosted glass). Opaque materials do not allow any light to pass through, resulting in no visibility (e.g., wood).
| 5. How do we use light and shadows in art and photography? | |
Ans. In art and photography, light and shadows are used to create depth, contrast, and mood. Artists and photographers manipulate light to highlight subjects, create dramatic effects, and enhance the visual appeal of their work. Shadows can add dimension and realism to images.
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Oct 24, 2025
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