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प्रश्न
Define mass.
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उत्तर १
The quantity of matter contained in a body is known as its mass.
उत्तर २
Mass is the measure of the amount of matter in an object.
संबंधित प्रश्न
What is meant by measurement?
Complete the following: 1 micron =………..Å
Complete the following: 1 g =………kg
Complete the following: 1 µs =……….s
Name the physical quantities which are measured in the given units:
nm
It takes time 8 min for light to reach from the sun to the earth surface . If speed of light is taken to be `3 xx 10^8 "m/s"^-1` , find the distance from the sun to the earth in km .
Fill in the blank:
The unit is which we measure the quantity is called ________.
State the unit in which mass is measured in C.GS. system.
State or define the following term:
Second
Define a fundamental quantity.
Name the SI unit of mass and define it.
Put the symbol in the box given below.
640 g `square` 800 g
Put the symbol in the box given below.
34 kg `square` 22 kg
One cubic metre is equal to ______ cubic centimetre.
What is the clock used by ancient people to measure daytime?
Match the following:
| 1. | Length | 1. | ampere (A) |
| 2. | time | 2. | Kelvin (K) |
| 3. | Mass | 3. | meter (M) |
| 4. | Temperature | 4. | second (S) |
| 5. | Electric current | 5. | kilogram (K) |
Figure shows a measuring scale which is usually supplied with a geometry box. Which of the following distance cannot be measured with this scale by using it only once?
Questions based on Higher Order Thinking Skills:
|
There are three spheres A, B, C as shown below. Sphere A and B are made of 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. 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.
Define measurement.
