Home
Class 11
PHYSICS
If mass of an electron is 9.11xx10^(-31)...

If mass of an electron is `9.11xx10^(-31)` kg then how many electrons would weight in 1 mg?

A

`1.68xx10^(18)`

B

`1.097xx10^(24)`

C

`1.45xx10^(22)`

D

`1.970xx10^(23)`

Text Solution

Verified by Experts

The correct Answer is:
B
NA
Promotional Banner

Topper's Solved these Questions

  • NATURE OF PHYSICAL WORLD AND MEASUREMENT

    SURA PUBLICATION|Exercise CONCEPTUAL QUESTIONS|5 Videos

  • MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|2 Videos

  • OSCILLATIONS

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|2 Videos

Similar Questions

Explore conceptually related problems

If mass of an electron is 9.11xxx10^(-31) kg, how many electrons would weigh in 1 mg? Given data: Mass of an electron =9.11xx10^(-31)kg =9.11xx10^(-31) kg is the mass of 1 electron

How many electrons are in 1C of charge ?

If a mass of a proton is 1.67xx10^(-27)kg , how many protons will be present in 1 kg? Given data: Mass of a proton =1.67xx10^(-27)kg 1.67xx10^(-27)kg is mass of 1 proton.

Mass of one atom of an element is 6.66xx10^(-23) g. How many moles of element are there in 0.320 kg?

Mass of one atom of an element is 6.645xx10^(-23)g . How many moles of element are there in 0.320 kg .

Mass of one atom of an element is 6.645 xx 10^(-23) g. How many mole's of element are there in 0.320 kg?