Class 3 Exam > Class 3 Videos > Science for Class 3 > Light, Sound and Force
Light, Sound and Force Video Lecture | Science for Class 3
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19 videos|48 docs|30 tests
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FAQs on Light, Sound and Force Video Lecture - Science for Class 3
| 1. How does light travel through different mediums? |  |
Ans. Light can travel through mediums such as air, water, and glass. It can pass through transparent materials like glass without getting absorbed or reflected.
| 2. How does sound travel through different mediums? | |
Ans. Sound travels through solids, liquids, and gases by creating vibrations in the particles of the medium. It travels fastest through solids and slowest through gases.
| 3. What is the relationship between force and motion? | |
Ans. Force is a push or pull that can change the motion of an object. If there is no force acting on an object, it will continue to be at rest or move at a constant speed.
| 4. How does light interact with objects to create different colors? | |
Ans. When light hits an object, some colors are absorbed while others are reflected. The color we see is the result of the reflected light entering our eyes.
| 5. How can sound waves be amplified? | |
Ans. Sound waves can be amplified by using a device like a speaker or microphone. These devices increase the amplitude of the sound wave, making it louder.
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About this Video
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Dec 22, 2024 Last updated |
Video Description: Light, Sound and Force for Class 3 2024 is part of Science for Class 3 preparation.
The notes and questions for Light, Sound and Force have been prepared according to the Class 3 exam syllabus.
Information about Light, Sound and Force covers all important topics for Class 3 2024 Exam.
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Video Lecture & Questions for Light, Sound and Force Video Lecture | Science for Class 3 - Class 3 full syllabus preparation | Free video for Class 3 exam to prepare for Science for Class 3.
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