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Which of the following is incorrect ? A All derived quantities may be represented dimensionally in terms of the base quantities. B A base quantity cannot be represented dimensionally in terms of base quantities. C The dimension of a derived quantity is never zero in any base quantity. D The dimension of a base quantity in other base quantities is always zero.

Which of the following is incorrect ?

A

All derived quantities may be represented dimensionally in terms of the base quantities.

B

A base quantity cannot be represented dimensionally in terms of base quantities.

C

The dimension of a derived quantity is never zero in any base quantity.

D

The dimension of a base quantity in other base quantities is always zero.

 

Grade:8

1 Answers

Adarsh Pal
askIITians Faculty 159 Points
6 months ago

Statement 1 and 2 are facts and are correct because all quantities can be represented in terms of base quantities and base quantities in terms of derived quantities. Statement 4 is also correct because all base quantities are independent dimension-wise. Statement 3 is wrong because dimension of a derived quantity can be zero in some of the base quantities, eg. Velocity has dimension zero in Mass.

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