Question

Section B
Q4. Write down the number of significant figures in the following:
i) 0.003 m² ii) 0.1250 gm/cm2
Q5. Derive the formula for kinetic energy of a particle having mass m and velocity v using
dimensional analysis.
Q6. Define i) average velocity ii) instantaneous velocity
Q7. Find 'a'if A=3i - 2; +4k and B = ai +2j-k are perpendicular to each other.
Q.8. If A=2i + 7j + 3k and B = 3i+2j + 5k Find the component of A along B
OR
Q.8 State i) law of parallelogram of vectors ii ) triangle law
Section C
[12M)
Q9. Find the conversion factor between S.I unit and CGS unit of density.
Q10. Explain the terms: i) distance ii) displacement iii) speed
OR
Q10. Explain the terms: i) instantaneous velocity ii) instantaneous acceleration iii) speed
Q11. In Ohm's experiments, the values of the unknown resistances were found to be 6.1222,
6.09 12, 6.22 12, 6.15 12. Calculate the absolute error, relative error and percentage error
in these measurements.
Q.12.Prove that i) A.B = AxBx + AyBy + AzBz
ii) AXB
=
I j k
AX Ay Az
Вх By Вz
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Answer 1

Answer:

TOO LONG  . ASK TEACHER