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 17, 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.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Light, Sound and Force.
Introduction of Light, Sound and Force in English is available as part of our Science for Class 3 for Class 3 & Light, Sound and Force in
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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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