Advertisements
Advertisements
प्रश्न
Define one metre, the S.I. unit of length. State it's one multiple and one submultiple.
Advertisements
उत्तर
One metre is defined as the distance travelled by light in the air in `1/(299,792,458)` of a second.
The S. I. unit of length is meter.
Multiple of metre = Kilometre (km).
Submultiple of metre = Centimetre (cm)
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Mass = density × _______
Select the correct alternative
A block of wood of density 0.8 g cm-3 has a volume of 60 cm3. The mass of block will be :
Express 36 km h-1 in m s-1
Convert the following quantity as indicated:
1 yard = m
Write the temperature of melting ice.
State if the following statement is true or false:
Centi mean a hundredth part.
Answer the following in short.
What are derived physical quantities? Give any two examples of derived physical quantities.
State if the following statement is true or false. Correct the statement if it is false.
The error in reading a scale due to the wrong positioning of the eye is called human error.
Solve the following numerical problem.
20 one – rupee coins are placed one above the other. If their total height is 32 mm, find the thickness of one coin.
What is the fundamental quantity? Give examples.
