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**Write true or false for a given statement.**

The S.I. unit of speed is ms^{-1}.

#### Options

True

False

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#### Solution

**True**

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#### RELATED QUESTIONS

**Write true or false for a given statement**

The S.I. unit of volume is the liter.

**Write true or false for a given statement**

A measuring beaker of capacity 200 ml can measure only the volume. 200 ml of a liquid.

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cm^{2} is a smaller unit of area than m^{2}.

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The S.I. unit of density is g cm^{-3}.

**Write true or false for a given statement**

1 g cm^{-3} = 1000 kg m^{-3}.

**Fill in the blank**

The volume of an irregular solid is determined by the method of _____

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The S.I. unit of density is _______

**Select the correct alternative **

The density of alcohol is 0.8 g cm-3. In S.I. unit, it will be :

State and define the S.I. unit of volume.

State two smaller units of volume. How are they related to the S.I. unit?

Volume of irregularly shaped objects are measured using the law of ______.

**Assertion: **Volume of a stone is found using a measuring cylinder.

**Reason: **Stone is an irregularly shaped object.

Write down the formula used to find the volume of a cylinder.

Distinguish between the volume of liquid and capacity of a container.

The unit of volume is ______.

1 litre = ______ cc.

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How will you determine the volume of a liquid?

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**Questions based on Higher Order Thinking Skills:**

There are three spheres A, B, C as shown below. Spheres A and B are made of the same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. The density of A is double that of C. |

Now answer the following questions.

- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.