Multiple choice

When a cubical metallic piece of edge 5 cm is dropped in a cylindrical glass of water, the water column rises by 4 cm. What is the radius of the base of the glass?

  1. 6√6/2√π cm

  2. 4√5/2√π cm

  3. 5√5/2√π cm

  4. 3√5/2√π cm

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Volume of the cubical metallic piece = volume of the water column = 5*5*5 = π*r2*4

= π (r2)(4) = 5*5*5

r = 5√5/2√π cm

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