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Special Units

Which of the ...

Question

Which of the following is / are not unit(s) of time ?
a) Parsec b) Light-year
c) Micron d) Second

a and c

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a and b

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a, b and c

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all a, b, c and d

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Solution

The correct option is A a, b and c
Parsec, light year and micron are all units of length.
Only second is the unit of time.

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Similar questions

The unit of time is :

(a) light year (b) parsec

The distances between the various celestial objects are usually expressed in the unit of:

(a) kilometres

(b) light minutes

(d) light seconds

|adj A| = {|A|}^{2}

{(A^{- 1})}^{- 1} = A

B A = C A, than B \neq C

{(A B)}^{- 1} = B^{- 1} A^{- 1}, where B \neq {[b_{i j}]}_{3 \times 3} and |B| \neq 0

\to a, \to b, \to c

\to a \times (\to b \times \to c) = (\to a \times \to b) \times \to c .

\to a

\to c

\to a \cdot \to c = \frac{1}{2},

| \to a + \to b + \to c |

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