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प्रश्न
What do you understand by the term measurement?
उत्तर
“Measurement implies comparison of a physical quantity with a standard unit to find out how many times the given standard is contained in the physical quantity.”
Physics, like other branches of science, requires experimental study which involves measurement.
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संबंधित प्रश्न
What is meant by measurement?
Name the physical quantities which are measured in the given units: u
Name the physical quantities which are measured in the given units:-
ly
State four characteristics of a standard unit.
Name the SI unit of mass and define it.
Complete the rollowing:
1 m = ____ Å
Complete the rollowing:
1 micron= ____ Å
The uncertainty in measurement is called as _______.
A piece of ribbon folded five times is placed along a 30 cm long measuring scale as shown in Fig.
The length of the ribbon is between
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.
