Class 9 | Physics | Chapter 5 | Buoyant Force | Complete Questions & Answers | Kerala SCERT 2024

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Physics Chapter : 5
Standard : 9th (IX)
Subject: Physics
Chapter : Buoyant Force, Chapter 4

IMPORTANT QUESTIONS
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00:18:00 What is Buoyant Force?
00:02:00 What are two types of forces acting on objects in fluids
00:05:44 a) What difference is felt in the weight of a mug when it is lifted from the bottom
of a bucket to outside the water? b) What could be the reason for this change?
00:06:10 a) What difference is felt in the weight of a mug when it is lifted from the bottom
of a bucket to outside the water? b) What could be the reason for this change?
00:13:02 How can we measure buoyant force?
00:15:40 What are the factors influencing Buoyant force?
00:17:28 Can buoyant force experienced by an object be the same in all liquids?
00:20:36 An egg sinks in freshwater but floats on saturated salt water. Give the reason
00:22:38 As a ship moves from freshwater lake to sea, it rises further. Give the reason
00:27:40 Do objects of the same weight experience equal buoyant force in the same liquid?
00:29:55 State Archimedes' Principle
00:33:00 State Principle of Floatation
00:35:14 An aluminium foil in the shape of a boat floats while the same aluminium foil roll sinks in water. Why?
00:39:10 If an object weighs 0.45 kgwt in air and 0.31 kgwt when fully immersed in water. Calculate the following
00:42:45 Calculate the Relative density of the following
00:45:20 What is a Hydrometer?

00:51:10 [Fill in the blanks]

00:58:03 [Let's Assess]
00:58:10 An object weighs 0.2 kgwt in air and 0.19 kgwt when fully immersed in water. Answer the following.
01:00:13 A copper sphere and an iron sphere of the same diameter are immersed in water.
a) Is the buoyant force experienced on both the same? b) Justify your answer.
01:01:00 Write down the reasons for the following statements
01:05:00 The use of life jackets in boats is mandatory. Explain it in terms of buoyant force.
01:08:00 The illustration shows how an object is suspended in air and dipped in a liquid in different ways using a spring balance. Questions …
01:09:00 An object weighing 800 N in air, floats on water. Answer the given questions.


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