MCQ
The curved surface area of the sphere is............
- A$2 \pi r h$
- B$2 \pi r^2$
- ✓$4 \pi r^2$
- D$\frac{1}{3} \pi r^2 h$
✓
Answer
Correct option: C.
$4 \pi r^2$
$4 \pi r^2$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If two variables linear equation are consistent then lines are types.
If $\tan\text{x}-3\cot\text{x}$ then $\text{x}=?$
→A line segment is of length $10$ units. If the coordinates of its one end are $(2, -3)$ and the abscissa of the other end is $10$, then its ordinate is:
→The pair of equations $3 x+4 y=k$ and $9 x+12 y=6$ has infinitely many solutions if
→If LCM of $a$ and 18 is 36 and HCF of $a$ and 18 is 2 , then $a=$
→In the given figure, if $AD, AE$ and $BC$ are tangents to the circle at $D, E$ and $F$ respectively, Then:
→In the given figure, a tower $AB$ is $20m$ high and $BC$, its shadow on the ground is $20\sqrt{3}\text{m}$ long. The sun's altitude is:
→In the given figure, the shaded area is
If three metallic spheres of radii $6\ cm, 8\ cm$ and $10\ cm$ are melted to form a single sphere, the diameter of the sphere is:
→There is a house, with height $x$ opposite to the hill. The height of the hill is $h$. The angle of elevation of the top of the hill from the bottom of the house is $\alpha$ and the angle of elevation of the top of the house from the bottom of the hill is $\beta$ then the value of $\frac{h}{x}$ is......................
→