Basic Physics — CSIR Net PYQ (Question 18)
A Basic Physics previous-year question (PYQ) from General Aptitude (CSIR Net). Read the question, check the correct answer, then practise the full topic.
Question 18 of 87 · 2.0 marks
Two iron spheres of radii 12 cm and 1 cm are melted and fused. Two new spheres are made without any loss of iron. Their possible radii could be
- 19 and 4 cm
- 29 and 10 cm
- 38 and 5 cm
- 42 and 11 cm
Correct answer: Option 2
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