If a cylindrical tower `D` metres in diameter and `H` metres high is capped with a semi-spherical dome, then the total visible surface of the tower will be `(piD)/2(2H+D)` (b) `(piD)/3(H+2D)` (c) `(piD)/2(2H+D/2)` (d) `(piD)/3(2H+D/2)`

If r is the radius and h is height of the cylinder the volume will be (1)/(3)pi^(2)h(b)pi r^(2)h(c)2 pi r(h+r)(d)2 pi rh

The height h of cylinder equals the circumference of the cylinder.In terms of h what is the volume of the cylinder? (h^(3))/(4 pi) (b) (h^(2))/(2 pi)(c)(h^(3))/(2) (d) pi h^(3)

If the diameter of the base of a closed right circular cylinder be equal to its height h, then its whole surface area is 2 pi h^(2) (b) (3)/(2)pi h^(2)(c)(4)/(3)pi h^(2)(d)pi h^(2)

A cylinder with radius r and height h is closed on the top and bottom.Which of the following expressions represents the total surface area of this cylinder? 2 pi r(r+h) (b) pi r(r+2h)pi r(2r+h)(d)2 pi r^(2)+h

If the diameter of a sphere is d and curved surface area S, then show that S=pid^(2) . Hence find the surface area of a sphere whose diameter is 4.2 cm.

If the diagonal d of a quadrilateral is doubled and the heights h_1 and h_2 falling on d are halved, then the area of quadrilateral is __________.

The rise of a liquid due to surface tension in a narrow capillary tube of diameter 'd' is 'h' If the diameter is reduced to d/2 , the rise will be

A solid consists of a circular cylinder with an exact fitting right circular cone placed at the top. The height of the cone is h . If the total volume of the solid is 3 times the volume of the cone, then the height of the circular cylinder is 2h (b) (2h)/3 (c) (3h)/2 (d) 4h

The correct order of increasing acid strength of the compounds is (a). CH_(3)CO_(2)H (b). MeOCH_(2)CO_(2)H (c) CF_(3)CO_(2)H (d)