MAHE Manipal B.Sc Nursing 2025
ApplyAccorded Institution of Eminence by MoE, Govt. of India | NAAC A++ Grade | Ranked #4 India by NIRF 2024
Practical units is considered one of the most asked concept.
11 Questions around this concept.
Which of the following has units of time ?
The time taken by the earth to complete one rotation about its axis with respect to a distant star is called:
Which of the following is not a unit for length-
One solar year is equal to :
1 a.m.u. is equivalent to -
Practical units of length
Name |
Symbol |
Conversion in m |
1 fermi |
1 fm |
|
1 X-ray unit |
1 XU |
|
1 Angstrom |
|
|
1 micron |
|
|
1 Astronomical unit |
1 AU |
|
1 Light year |
1 ly |
|
1 Parsec |
1 Pc |
3.26 light year |
Practical units of mass
Name |
Symbol |
Conversion in kilogram (Kg) |
1 Chandra Shekhar Unit |
1 CSU |
= 1.4 times the mass of the sun |
1 Metric tonne |
1 Metric tonne |
1000 kg |
1 Quintal |
1 Quintal |
100 kg |
1 Atomic mass unit |
1 amu |
|
Practical units of Time
1 year =365.25 days = Sec
Lunar Month-27.3 days (It is the time taken by the moon to complete 1 revolution around the earth in its orbit)
Solar day-It is the time taken by the earth to complete one rotation about its axis with respect to Sun.
Sidereal day- It is the time taken by the earth to complete one rotation about its axis with respect to a distant star.
1 Solar year- 366.25 sidereal days = 365.25 average solar day
1 Average Solar Day=
part of the solar year
1 solar second = part of the mean solar day
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