Question

Can a body have a charge of 1.8×10^-19 ? Justify your answer

Answer 1

Answer:

8

No, as the minimum possible is 1.6 x10^-19, which is the charge of anelectron. a body cant have chargewithout the integral multiples of the charge of elec. As, n is in fraction which is not possible. Hence, a body can''t have a charge of 0.8X10^(-19)

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Answer 2

No, a body can't have a charge of 1.8 X 10⁻¹⁹C because of the quantization of charge.

• The principle of the quantization of electric charge states that charge can always occur as an integral multiple of the fundamental charge.
• The fundamental charge = 1.6 X 10⁻¹⁹C .
• Let us assume that 1.8 X 10⁻¹⁹C = n X 1.6 X 10⁻¹⁹C .

                 n = 1.8 X 10⁻¹⁹C / 1.6 X 10⁻¹⁹ C

                 or n = 1.125

• Since n is not an integer, thus the principle of quantization is violated.
• Hence, the body cannot have 1.8 X 10⁻¹⁹C of charge.