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A solid is hemispherical at the bottom a...

A solid is hemispherical at the bottom and conical above. If the surface areas of the two parts are equal, then the ratio of radius and height of its conical part is
एक ठोस तल पर अर्द्ध गोलाकार है और ऊपर शंक्वाकार। यदि दोनों भागों के पृष्ठ क्षेत्रफल बराबर है, जो उसके शंक्वाकार भाग की त्रिज्या और ऊँचाई का अनुपात है-

A

A)`1:3`

B

B)`1:1`

C

C)`sqrt3 :1`

D

D)`1: sqrt3 `

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CHAMPION PUBLICATION-2011 TIER-II PAPER(23)-EXERCISE
  1. A solid cylinder has total surface area of 462 sq. cm. Its curved surf...

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  2. A cylinder and a cone have equal radii of their bases and equal height...

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  3. A solid is hemispherical at the bottom and conical above. If the surfa...

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  4. Base of a right prism is an equilateral triangle of side 6 cm. If the ...

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  5. If a+1/a+2=0, then the value of a^37-1/a^100 is यदि a+1/a+2=0, तो ...

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  6. The value of k for which the graph of (k- 1)x+ y-2= 0 and (2-k)x-3y+ ...

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  7. The length of a shadow of a vertical tower is 1/sqrt3 times of its hei...

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  8. The graph of x+ 2y= 3 and 3x-2y = 1 meet the Y-axis at two points havi...

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  9. If x+1/(16x)=1, then the value of 64x^3+1/(64x^3) is यदि x+1/(16x)=...

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  10. If a,b, are three non-zero real numbers such that a + b + c =0, and b ...

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  11. If a ^(4) +a ^(2) b ^(2) + b ^(2) = 8 and a ^(2) + ab + b ^(2) = 4, th...

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  12. If a = 25,b=15, c=-10, then the value of (a^3+b^3+c^3-3abc)/((a-b)^2+(...

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  13. A, B, C are three point on a circle. The tangent at A meets BC produce...

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  14. If the length of a chord of a circle C at a distance of 12 cm from the...

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  15. In triangle ABC, P and Q are the middle points of the sides AB and AC ...

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  16. If O is the circumcenter of triangle ABC and angle OBC = 35^@, then th...

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  17. If I is the incentre of triangle ABC and angle BIC = 135^@, then trian...

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  18. If sin^2 alpha+ sin^2 beta=2, then the value of (cos frac (alpha+beta)...

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  19. Find the value of cot""(pi)/20.cot""(3pi)/20.cot""(5pi)/20.cot""(7pi)/...

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  20. If sin theta+cos theta= 17//13, 0 < theta <90^@, then the value of sin...

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