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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?
Define Standard metre.
A boy makes a ruler with graduations in cm on it, (i.e. 100 divisions in 1 m). To what accuracy this ruler can measure? How can this accuracy be increased?
What do you mean by the term unit?
Complete the rollowing:
1 fermi __________ m
Show how will you use the physical balance to measure the mass of an object.
State two conditions for a beam balance to be true.
Put the symbol in the box given below.
50 g `square` 340 g
Put the symbol in the box given below.
640 g `square` 800 g
Define measurement.
Closeness of two or more measured values is called as ______
Choose the correct one.
Hold a sheet paper in one hand and a book in one hand. Which hand feels heavy? Why?
The super conductors are used to levitate trains from the track.
A piece of ribbon folded five times is placed along a 30 cm long measuring scale as shown in the following figure.
The length of the ribbon is between
Write one example of the following type of motion.
Rectilinear
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.
