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Elastic and Inelastic Collisions MCQs

Prepare for Elastic and Inelastic Collisions MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Elastic and Inelastic Collisions

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 Elastic and Inelastic Collisions 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 Elastic and Inelastic Collisions.
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 Elastic and Inelastic Collisions MCQs

When preparing for Elastic and Inelastic Collisions 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
A force of 20 N is applied on an elastic spring. If the extension produced in the spring is 10 cm, the value of spring constant is
2
Experimental evidence 1: Lattice contribution to the heat capacity of solids always approaches zero when the temperature approaches zero. Experimental evidence 2: The inelastic scattering of X-rays and neutrons takes place by crystals and energy and momentum changes corresponding to the creation or absorption of one or more phonons. The quantum is
3
Bells are finished of metal and not of wood because wood ____ while metals are elastic.
4
Which of the following is not essential for the free oscillations of a mass attached to a spring?
5
When impurities are added to metals; they
6
The length of an elastic string is 'a' metres when the tension is 4 newton, and 'b' metres when the tension is 5 newton. The length in metres when the tension is 9 newton is
7
A block of weight W produces an extension of 9 cm when it is hung by an elastic spring of length 60 cm and is in equilibrium. The spring is cut into two parts, one of length 40 cm and the other of length 20 cm. The same load W hangs in equilibrium supported by both parts as shown in the figure. The extension in cm now is
8
An alternation produced in shape, length or volume when a body is subjected to some external force is
9
Identify the irreversible process.
10
Why does a ball which falls down bounce up?