Home > Surface Areas and Volumes > CBSE > 7ad5869c-05e7-4c20-83b0-3f2b1072b61e
Not the exact question you were looking for?

Paste your question to our Mathbee AI Mentor below to get an instant step-by-step solution.

Surface Areas and Volumes
NCERT Exemplar
CBSE
Grade 10

Question:

A right circular cylinder of radius $r\text{ cm}$ and height $h\text{ cm}$ ($h > 2r$) just encloses a sphere of diameter:
(a) $r$
(b) $2r$
(c) $h$
(d) $2h$

Step-by-Step Solution

Key Concept: A sphere enclosed in a cylinder of radius $r$ has radius $r$ and diameter $2r$.
Sphere radius $= r \Rightarrow$ diameter $= 2r\text{ cm}$. [1.0 Mark]

---
🎯 Official CBSE Marking Scheme:
Identifying sphere diameter $= 2r$: 1.0 Mark

Correct Answer: $2r$
Mathbee AI Mentor (Free Demo)

Confused by the solution? Ask the AI to explain a specific step, tell you where you went wrong, or break down the key trap in this question.

Master Surface Areas and Volumes with Mathbee

Practice this topic under real exam conditions with strict timers, or ask our AI Mentor to explain the concepts step-by-step.

Start Practicing for Free