Home
Class 10
MATHS
If the radius of a solid sphere is r uni...

If the radius of a solid sphere is r unit, the total surface area of the quarter sphere is

A

`2pi r^2` sq unt

B

`3pir^2` sq.unit

C

`4pir^2` sq.unit

D

`pi r^2` sq.unit

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Partnership Business

    UNITED BOOK HOUSE|Exercise Exercise |30 Videos

  • PATRASAYER BAMIRA GURUDAS INSTITUTION, BANKURA

    UNITED BOOK HOUSE|Exercise EXERCISE|54 Videos

Similar Questions

Explore conceptually related problems

The radius and height of a cone is r unit . The total surface area of a sphere area of a sphere of diameter equal to the slant height of the will be ………. sq - unit

If the length of radius of a solid hemisphere is 2r units, its whole surface area is ____________ pir^(2) sq-units.

If the radius of a solid sphere be decreased by 1 cm, then the curved surface area of it is decreased by 88 sq-cm. What was the radius of the square?

Whole surface area of a solid hemisphere is equal to the curved surface area of a solid sphere. Find the ratio of lenghts of radius of hemisphere and sphere.

The diameter of one sphere is double the diameter of another sphere. If the numerical value of total surface area of larger sphere is equal to the volume of smaller sphere, then find the radius of the smaller sphere.

If the radius of the base of a cylinder be r units and the height of the cylinder be h units, then the total surface area of the cylinder is

The volume of a solid sphere of radius 2r units is

The radius of a cone is r unit and its slant height is l unit . If the curved surface area of the cone be equal to the total surface area of a sphere of same radius , then the height of the cone will be

What will be the ratio of the volume of a sphere and a cube if the surface areas of the sphere and the cube are equal ?

UNITED BOOK HOUSE-PATHA BHAVAN-EXERCISE
  1. If the sum of two roots of a quadratic equation is 7 and the differenc...

    Text Solution

    |

  2. In a cyclic parallelogram, the measure of the angles will be as follow...

    Text Solution

    |

  3. If the radius of a solid sphere is r unit, the total surface area of t...

    Text Solution

    |

  4. If cos theta + sin theta = sqrt2 cos theta, then cos theta - sin theta...

    Text Solution

    |

  5. If the average of any five integers is zero, then one integer must be

    Text Solution

    |

  6. Fill in the blanks If a line intersects a circle at two points, then...

    Text Solution

    |

  7. Fill in the blanks If the ratio of the profit of three partners in a...

    Text Solution

    |

  8. Fill in the blanks "If m:n = p:q, then m:p = n:q this rule is called...

    Text Solution

    |

  9. Fill in the blanks Mean, median, mode are the measure of.

    Text Solution

    |

  10. Fill in the blanks If sec theta = 2/sqrt3 then the value of cos(90^...

    Text Solution

    |

  11. Fill in the blanks If the slant height and radius of a cone are p a...

    Text Solution

    |

  12. In true or false text In the case of simple interest, the principal ...

    Text Solution

    |

  13. Write true or false Sum of two surds will be always irrational numb...

    Text Solution

    |

  14. In true or false text Median of 7,8,12,14,14,4 is 8.

    Text Solution

    |

  15. In true or false text If two circles touch each other internally, th...

    Text Solution

    |

  16. In true or false text If sin(90^@-theta)= cos(90^@-theta), then thet...

    Text Solution

    |

  17. In true or false text The ratio of the diagonal of a cubic room and ...

    Text Solution

    |

  18. If alpha and beta be the roots of the equation x^2+3x+4=0 find the equ...

    Text Solution

    |

  19. If (3x-5y)/(3x+5y)=1/2 find the value of (3x^2-5y^2)/(3x^2+5y^2)

    Text Solution

    |

  20. In a partnership business the ratio of capitals of Ram and Hari is 3:...

    Text Solution

    |