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Class 11 Physics — Chapter 9: Mechanical Properties of Solids
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 11 Physics, Chapter 9 (Mechanical Properties of Solids). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 66.
Sample questions
Q1Easy
SI unit of Y:
A.Pa✓ correct
B.N
C.kg
D.m
Why
Same as stress.
Q2Medium
Young's modulus Y =
A.Stress / Strain✓ correct
B.Strain / Stress
C.Stress × Strain
D.Force / Length
Why
Y = σ/ε (linear elasticity).
Q3Hard
Hooke's law is valid:
A.Within proportional/elastic limit✓ correct
B.Always
C.In plastic region only
D.Never
Why
Linear regime only.
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