Question

Fill in the blanks by identifying the correct relationship

a)Mass : Kilogram : Time : _________

b)Electric current : Ampere : Temperature : ___________


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Answer 1

The correct relationships are as follows -

• Mass : Kilogram :: Time : Second
• The first two terms are mass and kilogram. Their relationship is, the second term is the SI unit of the first term. (ie. Kilogram is the SI unit of the Mass.)
• According to the above mentioned relationship, the fourth term will be the SI unit of the third term. Now, we know that the SI unit of third term or time is second. That's why, 'second' will be the fourth term here.

Similarly,

• Electric current : Ampere :: Temperature : Kelvin
• The first two terms are electric current and Ampere. Their relationship is, the second term is the SI unit of the first term. (ie. Ampere is the SI unit of the Electric)
• According to the above mentioned relationship, the fourth term will be the SI unit of the third term. Now, we know that the SI unit of third term or temperature is Kelvin. That's why, 'Kelvin' will be the fourth term here.

Answer 2

Find out the correct relationship

Given:

1. Mass : Kilogram :: Time : __________
2. Electric Current : Ampere :: Temperature : __________

Solution:

• If we observe the given relationships clearly, we will see that the term mentioned at the even place (second) is the S.I. Unit of the quantity mentioned at the odd place (first).

• Kilogram is the S.I. Unit of Mass, so in the fourth place we need to fill S.I. Unit of the term mentioned in the third place which is Time. Now, we know that the S.I. Unit of Time is Seconds, so the answer to the blank in the first series is Seconds.

• Ampere is the S.I. Unit of Electric Current, so in the fourth place we need to fill the S.I. Unit of the term mentioned in the third place which is Temperature. Now, we know that the S.I. Unit of Temperature is Kelvin, so the answer to the blank in the second series is Kelvin.

Final Answer:

The series will now look like as follows:

1. Mass : Kilogram :: Time : Seconds
2. Electric Current : Ampere :: Temperature : Kelvin