Advertisements
Advertisements
Question
Define one metre, the S.I. unit of length. State it's one multiple and one submultiple.
Advertisements
Solution
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
RELATED QUESTIONS
A rectangular field is of length 60 m and breadth 35 m. Find the area of the field.
Convert the following quantity as indicated:
150 kg = quintal
Name two devices used to measure the short time interval of an event.
Answer the following in detail.
Explain in detail why there was a need to standardize units.
Answer the following in detail.
which is the most suitable unit for measuring the volume of a glass filled with water?
Answer the following in detail.
Explain in detail why railways and airlines use the 24-hour clock format.
Give reason for the following.
Body parts should not be used for correct measurements of an object.
Solve the following numerical problem.
The body temperature of a patient on Monday was102 °F and on Tuesday it was 104°F. What was the rise in temperature during these two days?
Explain giving examples.
Vector quantity
The density of a material in SI unit is 128 kg m-3. In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is _____.
