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NEET Exam  >  NEET Test  >  Chemistry Class 11  >  Test: Subatomic Particles - NEET MCQ

Subatomic Particles - Free MCQ Practice Test with solutions, NEET Chemistry


MCQ Practice Test & Solutions: Test: Subatomic Particles (5 Questions)

You can prepare effectively for NEET Chemistry Class 11 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Subatomic Particles". These 5 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 5 minutes
  • - Number of Questions: 5

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Test: Subatomic Particles - Question 1
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The ratio of charge to mass of an electron in coulombs per gram was determined by J.J. Thomson. He determined this ratio by measuring the deflection of cathode rays in electric and magnetic fields. What value did he find for this ratio?

Detailed Solution: Question 1

Charge of an electron is
= −1.6 × 10−19C
Mass of electron is
9.1 × 10−31kg = 9.1 × 10−28g
Thus, Charge/mass ratio is


- ve sign is only a convention used by us
= - 1.76 × 108 coulombs/g

Test: Subatomic Particles - Question 2
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The number of electrons which will together weigh one gram is

Detailed Solution: Question 2

Mass of electron = 9.1096 x 10-31 kg

= 1.098 x 1027 electrons

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Test: Subatomic Particles - Question 3
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How many number of electrons are present in a particle which carries a charge of 5.5 x 10-16 C?

Detailed Solution: Question 3

Charge carried by one electron
= 1.6022 x 10-19 C
Electrons presents in 5.5 x 10-16 C

Test: Subatomic Particles - Question 4
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Which experiment is responsible for finding out the charge on an electron?

Detailed Solution: Question 4

The value (magnitude) of electron charge was determined by Millikan's oil drop experiment.
Cathode ray discharge tube experiment gave the sign of electron charge Rutherford's experiment gave the presence of electrons around the dense nucleus
Photoelectric experiment explained the production of electricity from light irradiation on the metal surface.

Test: Subatomic Particles - Question 5
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Match the values of column II with column I and mark the appropriate choice.

Detailed Solution: Question 5

(A) Mass of electron = 9.1 × 10−31 Kg
(B) Mass of proton = 1.673 × 10−27 kg
(C) Charge of electron = −1.602 × 10−19 C
(D) e/m for an electron = 1.76 × 108 C/g
Thus option B is the correct answer.

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About this NEET Practice Test

This test contains 5 MCQs on Subatomic Particles with detailed solutions for each question. It is part of the Chemistry Class 11 course on EduRev, designed to align with the current NEET syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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If you found this Subatomic Particles MCQ Test helpful, you can further enhance your NEET preparation with in-depth courses on EduRev, for all the subjects and topics available in Chemistry Class 11 course. The course offers:
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