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5.Work, Energy, Power and Collision
normal
$700 kcal $ લખાણ લખેલું આઇસક્રીમ ખાવાથી કેટલા......$kWh$ ઊર્જા મળે?
A
$0.81 $
B
$0.90 $
C
$1.11$
D
$0 .71$
Solution
$700 k cal$ = $700 \times {10^3} \times 4.2$J $ = \frac{{700 \times {{10}^3} \times 4.2}}{{3.6 \times {{10}^6}}} = 0.81\,kWh$
Standard 11
Physics