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The diameter of a sphere is twice the di...

The diameter of a sphere is twice the diameter of another sphere. The surface area of the first sphere is equal to the volume of the second sphere. The magnitude of the radius of the first sphere is
एक गोलक का व्यास एक दूसरे गोलक के व्यास से दुगना है। पहले गोलक का पृष्ठीय क्षेत्रफल दूसरे गोलक के आयतन के बराबर है। पहले गोलक की त्रिज्या का आकार बताइए?

A

3

B

24

C

8

D

16

Text Solution

Verified by Experts

The correct Answer is:
B
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The volume of a sphere is 36 pi cm^3 . What is the radius of the sphere? एक गोले का आयतन 36 pi घन सेमी है | इस गोले की त्रिज्या ज्ञात करें |

A regular pyramid has a square base. The height of the pyramid is 22 cm and side of its base is 14 cm. Volume of pyramid is equal to the volume of a sphere. What is the radius (in cm) of the sphere? एक सम पिरामिड का आधार एक वर्ग है। पिरामिड को ऊँचाई 22 से.मी. है तथा उसके आधार की भुजा 14 से.मी. है। पिरामिड का आयतन एक गोले के आयतन के बराबर हैं गोले की त्रिज्या (से.मी. में) क्या है?

The volumes of two spheres are in the ratio of 64:125. The ratio between their surface areas is : दो गोलों का आयतन 64:125 के अनुपात में है तो उनके पृष्ठ क्षेत्रफल का अनुपात है:

The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of equal size. The radius of each small sphere is 1/6th the radius of the large sphere. What is the sum (in cm^2 ) of curved surface areas of all small spheres? एक गोले के कुल पृष्ठीय क्षेत्रफल तथा आयतन का अनुपात 1 : 7 है। इस' गोले को पिघलाकर बराबर माप के छोटे गोले बनाये जाते है। प्रत्येक छोटे गोले की त्रिज्या बड़े गोले की त्रिज्या 1/6 हैं सभी छोटे गोलों के वक्र पृष्ठीय क्षेत्रफल का योग ( से.मी.^2 में) क्या है?

A sphere is inscribed in a cube. What is the ratio of the volume of the cube to the volume of the sphere? एक गोले को किसी घन में डाला गया है | घन के आयतन तथा गोले के आयतन में अनुपात ज्ञात करें |

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