Advertisements
Advertisements
Question
Answer the following in detail.
Explain in detail why railways and airlines use the 24-hour clock format.
Advertisements
Solution
Railways and airlines use the 24-hour clock format as they operate round the clock (24 hours).
The main features of the 24-hour clock system are:
- a.m. and p.m. are not used in order to avoid confusion.
- Time is shown by 4 digits. The first two digits indicate the number of hours, and the next two digits indicate the number of minutes.
- Time is expressed continuously from 00.00 (midnight) to 24:00.
APPEARS IN
RELATED QUESTIONS
Fill in the blank
1 g cm-3 = _______ kg m-3.
Select the correct alternative
One litre is equal to :
Name four basic measurements in our daily life.
Convert the following quantity as indicated:
2500 kg = ………. metric tonne.
Answer the following in detail.
Explain by giving two examples of why the measurement of a physical quantity is expressed as a combination of a numeral and a unit.
Answer the following in detail.
Explain in detail why there was a need to standardize units.
Answer the following in detail.
State some common rules to write SI units correctly.
Fill in the blank.
There are ............. fundamental physical quantities.
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.
Scalar quantity
