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Topic Elasticity
Asked 7 times across 4 UPSC exams over 9 years (2016–2025), peaking in 2023.
Key insights
- Most tested in CDS — 3 of 7 PYQs
- Most asked in 2023
- Recurs across 6 years (2016–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2016 → NDA 2023 → GEO 2023 → CAPF 2024
How the concept evolved
Rising — more than half its appearances (7 of 7) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CAPF2025
Consider the following statements regarding mechanical properties of solids
- The ratio of tensile stress to longitudinal strain is defined as bulk modulus
- The ratio of hydraulic stress to corresponding hydraulic strain is called Young's modulus
- The ratio of shearing stress to corresponding shearing strain is called modulus of rigidity
Which of the statements given above is/are correct?
- A 1 and 2 only
- B 2 and 3 only
- C 3 only
- D 1, 2 and 3
Answer key not yet available (pending official release)
Science & Technology › Physics & Chemistry
CAPF2024
Consider the following statements
- Burden of a tax on a commodity is independent of who (buyer or seller) it is explicitly imposed upon
- Burden of a tax on a commodity depends on the slope of the demand and supply curves
Which of the statements given above is/are correct?
- A 1 only
- B 2 only
- C Both 1 and 2 ✓
- D Neither 1 nor 2
✓ Correct answer: (C)
Economy › Macroeconomics
NDA2023
A mass is attached to a spring that hangs vertically. The extension produced in the spring is 6 cm on Earth. The acceleration due to gravity on the surface of the Moon is one-sixth of its value on the surface of the Earth. The extension of the spring on the Moon would be :
- A 6 cm
- B 1 cm ✓
- C 0 cm
- D 36 cm
✓ Correct answer: (B)
Science & Technology › Physics & Chemistry
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