Home
Class 10
MATHS
If S(1), denotes the surface area of a s...

If `S_(1)`, denotes the surface area of a sphere with radius r and `S_(2)`, denotes the total surface area of a cylinder with radius r and height 2r, then ......... holds good. a. `S_(1)=S_(2)` b. `S_(1) gt S_(2)` c. `S_(1) lt S_(2)` d. `S_(1)=2S_(2)`

A

`S_(1)=S_(2)`

B

`S_(1) gt S_(2)`

C

`S_(1) lt S_(2)`

D

`S_(1)=2S_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • SURFACE AREAS AND VOLUMES

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS (Answer the following by a number or a word or a sentence: )|5 Videos
  • SURFACE AREAS AND VOLUMES

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS (State whether each of the following statements is true or false : )|5 Videos
  • SURFACE AREAS AND VOLUMES

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS (Fill in the blanks so as to make each of the following statements true :)|5 Videos
  • STATISTICS

    KUMAR PRAKASHAN|Exercise Objective Questions (True or false)|5 Videos
  • TRIANGLES

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS|37 Videos

Similar Questions

Explore conceptually related problems

Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S'. Find the (i) radius r' of the new sphere, (ii) ratio of S and S'.

Let S_(n) denote the sum of the cubes of the first n natural numbers and S'_(n) denote the sum of the first n natural numbers, then underset(r=1)overset(n)Sigma ((S_(r))/(S'_(r))) equals to

S_(n) denots the sum of first n terms of an A.P. Its first term is a and common difference is d. If d= S_(n)-k S_(n-1) + S_(n-2) then k= ……….

Two metallic s pheres of radii R_(1) and R_(2) are connected b y a thin wire. If +q_(1)~ and +q_(2) are the charges on the two s pheres then

What is the current in the 40 resistor when switch S_(1) is open and switch S_(2) is closed in the given circuit ?

S_(n) is the sum of n terms of an A.P. If S_(2n)= 3S_(n) then prove that (S_(3n))/(S_(n))= 6

If in an AP, S_(n)= q n^(2) and S_(m)= qm^(2) , where S_(r ) denotes the sum of r terms of the AP, then S_(q) equals to,

If S_1, S_2, S_3 are the sum of first n natural numbers, their squares and their cubes, respectively , show that 9 S_(2)^(2) = S_(3) (1+ 8S_1)

Given difference of 1s and 2s