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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ८

A body will sink if the weight of the body is greater than the buoyant force.

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प्रश्न

A body will sink if the weight of the body is greater than the buoyant force.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य
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उत्तर

A body will sink if the weight of the body is greater than the buoyant force- True.

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अध्याय 2: Force and Pressure - Exercises [पृष्ठ १९]

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सामाचीर कलवी Science [English] Class 8 TN Board
अध्याय 2 Force and Pressure
Exercises | Q III. 3. | पृष्ठ १९

संबंधित प्रश्न

In what direction does the buoyant force on an object immersed in a liquid act?


If a fresh egg is put into a beaker filled with water, it sinks. On dissolving a lot of salt in the water, the egg begins to rise and then floats. Why ?


The density of brass is 8.4 g cm-3. What do you mean by this statement?


Which of the following will sink or float on water? (Density of water = 1 g Cm-3) body B having density 2520 kg m-3


State three factors on which the pressure at a point in a liquid depends.


Why do sea divers need special protective suit?


The diagram below in Fig. 4.12 shows a device which makes the use of the principle of transmission of pressure.

  1. Name the parts labelled by the letters X and Y.
  2. Describe what happens to valves A and B and to the quantity of water in the two cylinders when the lever arm is moved down.
  3. Give reasons for what happens to valves A and B in part (ii).
  4. What happens when the release valve is opened?
  5. What happens to valve B in cylinder P when the lever arm is moved up?
  6. Give a reason for your answer in part (v).
  7. State one use of the above device.

Complete the following sentence :

Pressure at all points at the same depth is ....................


Describe an experiment to show that a body immersed in a liquid appears lighter than it really is. 


Consider the statement given below and choose the correct option.

Assertion: Water strider slides easily on the surface of the water.

Reason: Water strider experiences less buoyant force.


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