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Mass-Energy Equivalence MCQs

Prepare for Mass-Energy Equivalence MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Mass-Energy Equivalence

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Master Mass-Energy Equivalence MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Mass-Energy Equivalence.
Past Papers
Includes frequently repeated questions from past examinations.
Solved & Verified
Each question features verified answers and conceptual explanations.

Preparation Guide & Key Focus Areas for Mass-Energy Equivalence MCQs

When preparing for Mass-Energy Equivalence MCQs (Physics), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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1
The equation E = mc^2 indicates that energy:
2
One kilogram is actually mass of platinum-iridium alloy cylinder kept at International Bureau of Weights and Measures in France. The ratio of platinum and iridium is:
3
If mass-energy equivalence is taken into account, when water is cooled to form ice, the mass of water should
4
The energy of X-rays depends upon
5
What is the rest mass of a photon ?
6
When the prongs of a tuning fork is filed, its frequency:
7
The e/m value of electron is
8
An oil drop of mass 1 × 10^-15 kg remains stationary in the air space between two parallel metal plates at a P.D. of 200 V and 3.2 mm apart. Then the charge on an oil drop is
9
The density of zinc is 7.13 gm/cm3 and its atomic weight is 65.4. Its Fermi energy is given by (The effective mass of a free electron in zinc crystal is 7.7 × 10^-31 kg and the Avogadro's number is 6.02 × 10^23 atoms/gm atom)
10
Zahid consumes energy of 800 J while bringing out a body of mass 40 kg from a dig. Calculate the depth of dig (g = 10 m/s^2).