Electrical \(\to\) mechanical \(\to\) potential
potential \(\to\)mechanical \(\to\)electrical \(\to\) light
mechanical \(\to\) sound \(\to\) electrical \(\to\) light
mechanical \(\to\) sound \(\to\) electrical \(\to\) light
Correct answer is D
No explanation has been provided for this answer.
0.60Nkg-1
1.67Nkg-1
6.12 x 102Nkg-1
9.81ms-2
Correct answer is B
Intensity = \(\frac{1.002 \times 102}{60}\)
= 1.67Nkg-1
2.5 x 107N
5.0 x 104N
5.0 x 102N
2.0 x 10-3N
Correct answer is B
Thrust = \(\frac{\text{mass x velocity}}{time}\)
= 10 x 5 x 103
= 5.0 x 104N
cos\(\theta\) = \(\frac{3}{7}\)
sin\(\theta\) = \(\frac{3}{7}\)
tan\(\theta\) = \(\frac{3}{7}\)
cot\(\theta\) = \(\frac{3}{7}\)
Correct answer is C
\(\theta\) = tan-1\(\frac{3}{7}\)
27%
14%
9%
3%
Correct answer is C
Actual thickness = 34 - 22 = 12
error thickness = 30 - 20 = 10
error = 12 - 10 = 2mm that is, (11 ± 1)mm
%error = \(\frac{1}{11}\) x \(\frac{100}{1}\)
= 9%
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