1. Electric Charges and Fields
easy

ડ્યુટ્રોન અને $\alpha$ - કણ હવામાં એકબીજાથી $1\,\mathop A\limits^o $ અંતરે આવેલા છે. ડ્યુટ્રોનને લીધે $\alpha$ - કણ પર લાગતા વિદ્યુતક્ષેત્રનું મૂલ્ય ........ હશે.

A

Zero

B

$2.88 \times {10^{11}}\,newton/coulomb$

C

$1.44 \times {10^{11}}\,newton/coulomb$

D

$5.76 \times {10^{11}}\,newton/coulomb$

Solution

(c) Due to deutron, intensity of electric field at $1\, \mathop A\limits^o $ distance,
$E = \frac{1}{{4\pi {\varepsilon _0}}}.\frac{e}{{{r^2}}}$$ = \frac{{9 \times {{10}^9} \times 1.6 \times {{10}^{ – 19}}}}{{{{10}^{ – 20}}}} = 1.44 \times {10^{11}}\,N/C.$

Standard 12
Physics

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