9 x 10-13m
9 x 10-7m
9 x 10-3m
9 x 107m
Correct answer is B
C = εo Ad
10-2 x 10-6 = 9×10−12d x 10-4
= 9 x 10-7m
When 21082Pb decays to 20680Pb, it emits...
A 45o triangular glass prism can be used as a reflector of light because...
A hot metal ball is suspended in the open air. As it cools it loses heat by? ...
A wire of length 100 cm has a resistance of 10Ω. If its cross-sectional area is 0.005cm2, d...
Which of the following is not a property of longitudinal waves? ...