The shape of a gilli, in the gilli-danda game (see Figure), is a combination of
(A) two cylinders (B) a cone and a cylinder(C) two cones and a cylinder (D) two cylinders and a cone
A 400 kg satellite is in a circular orbit of radius 2RE about the Earth. How much
energy is required to transfer it to a circular orbit of radius 4RE ? What are the changes in the kinetic and potential energies ?
The shape of a glass (tumbler) (see Figure) is usually in the form of
(A) a cone (B) frustum of a cone (C) a cylinder (D) a sphere
A plumbline (sahul) is the combination of (see Figure)
(A) a cone and a cylinder (B) a hemisphere and a cone (C) frustum of a cone and a cylinder (D) sphere and cylinder
Express the constant k of Eq.(7.38) in days and kilometres. Given k = 10–13 s²m–3. The moon is at a distance of 3.84 × 10⁵ km from the earth. Obtain its time-period of revolution in days.
A surahi is the combination of
(A) a sphere and a cylinder (B) a hemisphere and a cylinder (C) two hemispheres (D) a cylinder and a cone.
A cylindrical pencil sharpened at one edge is the combination of
(A) a cone and a cylinder (B) frustum of a cone and a cylinder (C) a hemisphere and a cylinder (D) two cylinders.
The volume of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is
(A) 9.7 cm3 (B) 77.6 cm3 (C) 58.2 cm3 (D) 19.4 cm3
A cubical ice cream brick of edge 22 cm is to be distributed among some children by filling ice cream cones of radius 2 cm and height 7 cm upto its brim. How many children will get the ice cream cones?
(A) 163 (B) 263 (C) 363 (D) 463
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