Solution - Fill in the Blanks by Suitable Conversion of Units: 1 Kg M2s–2= ....G Cm2 S–2 - International System of Units



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Fill in the blanks by suitable conversion of units: 1 kg m2s–2= ....g cm2 s–2


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A famous relation in physics relates ‘moving mass’ to the ‘rest mass’ m0 of a particle in terms of its speed and the speed of light, c. (This relation first arose as a consequence of special relativity due to Albert Einstein). A boy recalls the relation almost correctly but forgets where to put the constant c. He writes:

`m = m_0/(1-v^2)^(1/2)`

Guess where to put the missing c.

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Fill in the blanks by suitable conversion of units: 

G= 6.67 × 10–11 N m2 (kg)–2=.... (cm)3s–2 g–1.

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Explain this statement clearly:

“To call a dimensional quantity ‘large’ or ‘small’ is meaningless without specifying a standard for comparison”. In view of this, reframe the following statements wherever necessary:

(a) atoms are very small objects

(b) a jet plane moves with great speed

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(f) the speed of sound is much smaller than the speed of light.

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Solution for question: Fill in the Blanks by Suitable Conversion of Units: 1 Kg M2s–2= ....G Cm2 S–2 concept: International System of Units. For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)