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Practical Units MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET
Quick Facts
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Practical units is considered one of the most asked concept.
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11 Questions around this concept.
Solve by difficulty
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-
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One solar year is equal to :
Concepts Covered - 0
Practical units
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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 |
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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 |
|
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Practical units of Time
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1 year =365.25 days =
Sec
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Lunar Month-27.3 days (It is the time taken by the moon to complete 1 revolution around the earth in its orbit)
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Solar day-It is the time taken by the earth to complete one rotation about its axis with respect to Sun.
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Sidereal day- It is the time taken by the earth to complete one rotation about its axis with respect to a distant star.
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1 Solar year- 366.25 sidereal days = 365.25 average solar day
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1 Average Solar Day=
part of the solar year
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1 solar second =
part of the mean solar day
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