Q.4) 15 cm is the height of water in a cylindrical
container of radius r. What is the height of this
quantity of water if it is poured into a cylindrical
container of radius 2r?
A. 3.75 cm B. 3.55 cm
c. 4.75 cm D. 3.45 cm
WERS
are metres (4) A) 3.75 cm
Answers
Answered by
1
Step-by-step explanation:
एक बेलनाकार कंटेनर में पानी की ऊंचाई = 15cm
त्रिज्या = r
यदि एक दूसरे बेलनाकार कंटेनर की त्रिज्या 2r हो तो
उस कंटेनर में पानी की ऊंचाई होगी --
पहले कंटेनर का आयतन = दूसरे कंटेनर का आयतन
π{r}² (15) = π{2r}²(h)
r² * 15 = 4r² * h
15 = 4h
h = 15/4 = 3.75cm
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