JEE · NEET Previous Year Question
An aluminium sphere of 20 cm diameter is heated from 0ºC to 100ºC. Its volume changes by (given that coefficient of linear expansion for aluminium = 23 × /ºC)
Topic: NEET PYQ
Answer: D. Full step-by-step solution below.
- A2.89 cc
- B9.28 cc
- C49.8 cc
- D28.9 cc
Correct answer: D
Solution
(d) Δv = (3α) ΔT= π × 3 × 23 × × 100
Δv = 28.9 cc.
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