Advertisements
Advertisements
प्रश्न
Answer the following in detail.
Explain in detail why railways and airlines use the 24-hour clock format.
Advertisements
उत्तर
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
संबंधित प्रश्न
Write true or false for a given statement.
The speed 5 ms-1 is less than 25 km h-1.
Arrange the following substances in order of their increasing density:
(a) iron
(b) cork
(c) brass
(d) water
(e) mercury
Express 15 m s-1 in km h-1.
State two characteristics of a unit.
Define one metre, the S.I. unit of length. State it's one multiple and one submultiple.
Answer the following in detail.
Which is the most suitable unit for measuring the volume of a cylinder of a car engine?
Give a reason for the following.
Measurements are very important for life.
Solve the following numerical problem.
Express 6L in mL.
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 physical quantity? give example.
