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The number of electrons present in -1C of charge is
- a)6 x 1018
- b)1.6 x 1019
- c)6 x 1019
- d)1.6 x 1018
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The number of electrons present in -1C of charge isa)6 x 1018b)1.6 x 1...
By quantisation of charge, q = ne
or
or
Most Upvoted Answer
The number of electrons present in -1C of charge isa)6 x 1018b)1.6 x 1...
Explanation:
To determine the number of electrons present in -1C of charge, we need to use the concept of elementary charge.
The elementary charge is the charge of a single electron or proton, which is approximately 1.6 x 10^-19 C.
Given that the charge is -1C, we can calculate the number of electrons by dividing the total charge by the charge of a single electron.
Let's calculate:
Number of electrons = Total charge / Charge of a single electron
Number of electrons = -1C / (1.6 x 10^-19 C)
Number of electrons = -1 / (1.6 x 10^-19) x 10^19
Number of electrons = -1 / 1.6
Number of electrons ≈ -0.625 x 10^19
Since the number of electrons cannot be negative, we take the absolute value:
Number of electrons ≈ 0.625 x 10^19
Now, let's convert this to scientific notation:
Number of electrons ≈ 6.25 x 10^18
Rounding this to the nearest whole number, we get:
Number of electrons ≈ 6 x 10^18
Therefore, the correct answer is option A) 6 x 10^18, which represents the approximate number of electrons present in -1C of charge.
To determine the number of electrons present in -1C of charge, we need to use the concept of elementary charge.
The elementary charge is the charge of a single electron or proton, which is approximately 1.6 x 10^-19 C.
Given that the charge is -1C, we can calculate the number of electrons by dividing the total charge by the charge of a single electron.
Let's calculate:
Number of electrons = Total charge / Charge of a single electron
Number of electrons = -1C / (1.6 x 10^-19 C)
Number of electrons = -1 / (1.6 x 10^-19) x 10^19
Number of electrons = -1 / 1.6
Number of electrons ≈ -0.625 x 10^19
Since the number of electrons cannot be negative, we take the absolute value:
Number of electrons ≈ 0.625 x 10^19
Now, let's convert this to scientific notation:
Number of electrons ≈ 6.25 x 10^18
Rounding this to the nearest whole number, we get:
Number of electrons ≈ 6 x 10^18
Therefore, the correct answer is option A) 6 x 10^18, which represents the approximate number of electrons present in -1C of charge.
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The number of electrons present in -1C of charge isa)6 x 1018b)1.6 x 1019c)6 x 1019d)1.6 x 1018Correct answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The number of electrons present in -1C of charge isa)6 x 1018b)1.6 x 1019c)6 x 1019d)1.6 x 1018Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The number of electrons present in -1C of charge isa)6 x 1018b)1.6 x 1019c)6 x 1019d)1.6 x 1018Correct answer is option 'A'. Can you explain this answer?.
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