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Standard IX

Chemistry

Rutherford's Model of an Atom

Question 3iiE...

Question

Question 3(ii)
Express the number appearing in the following statements in standard form:
Charge of an electron is 0.000,000,000,000,000,00016 coulomb.

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Solution

Charge of an electron is 0.00000000000000000016 coulomb
$= 0.00000000000000000016 \times \frac{10^{19}}{10^{19}} = 1.6 \times 10^{- 19} c o u l o m b [∵ a^{- m} = \frac{1}{a^{m}}]$

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Similar questions

Question 3(ii)
Express the number appearing in the following statements in standard form:
Charge of an electron is 0.000,000,000,000,000,00016 coulomb.

Express the number appearing in the following statements in standard form:

Charge of an electron is

0.00000000000000000016

coulomb and is represented as

1.6 \times 10^{- m}

. Then find

m

Q. Express the number appearing in the following statement in the standard form:

The charge on an electron is

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Q. Question 3(i)
Express the number appearing in the following statements in standard form:

1 m i c r o n i s e q u a l t o \frac{1}{1000000} m,

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\frac{1}{1000000}

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0.000, 000, 000, 000, 000, 000, 16

coulomb
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0.0000005

m
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0.00001275

m
(v) Thickness of a thick paper is

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Rutherford's Model of an Atom

Standard IX Chemistry

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Question 3(ii) Express the number appearing in the following statements in standard form: Charge of an electron is 0.000,000,000,000,000,00016 coulomb.

Charge of an electron is 0.00000000000000000016 coulomb =0.00000000000000000016×10191019=1.6×10−19 coulomb [∵a−m=1am]

Question 3(ii)
Express the number appearing in the following statements in standard form:
Charge of an electron is 0.000,000,000,000,000,00016 coulomb.

Charge of an electron is 0.00000000000000000016 coulomb
$= 0.00000000000000000016 \times \frac{10^{19}}{10^{19}} = 1.6 \times 10^{- 19} c o u l o m b [∵ a^{- m} = \frac{1}{a^{m}}]$