Explanation:
For S.H.M.,
F = -kx
ma = -kx (F = ma)
or,
$\text{a}=-\frac{\text{k}}{\text{m}}\text{x}$
Thus, acceleration is proportional to the displacement from the mean position but in opposite direction.
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The power of two convex lenses A and B are 8 diopters and 4 diopters respectively. If they are to be used as a simple microscope, the magnification of
|
(a) B will be greater than A |
(b) A will be greater than B |
|
(c) The information is incomplete |
(d) None of the above |
$2\text{u}\cos\theta$
$\frac{\text{u}}{\cos\theta}$
$\frac{\text{2u}}{\cos\theta}$
$\text{u}\cos\theta$
How much energy in kilowatt hour is consumed in operating ten 50 watt bulbs for 10 hours per day in a month (30 days).
|
(a) 1500 |
(b) 5,000 |
(c) 15 |
(d) 150 |