Advertisements
Advertisements
प्रश्न
State if the following statement is true or false:
The symbol used for a unit is always written in capital letters.
पर्याय
True
False
Advertisements
उत्तर
False.
The symbol used for a unit is normally written in small letters.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Mass = density × _______
Arrange the following substances in order of their increasing density:
(a) iron
(b) cork
(c) brass
(d) water
(e) mercury
The density of copper is 8.9 g cm-3. What will be its density in kg m-3 ?
Answer the following in short.
What are derived physical quantities? Give any two examples of derived physical quantities.
Answer the following in short.
What are the characteristics of a standard unit?
Answer the following in detail.
When are approximations necessary in daily life and when should they be avoided?
Give a reason for the following.
Measuring units are standardized.
Explain giving examples.
Vector quantity
What are derived quantities?
Your friend was absent from school yesterday. You are enquiring about his absence. He told that he had a fever and it was measured to be 100oC. Is it possible to have a 100oC fever? If he is wrong, try to make him understand.
