1
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

An ice cube of edge $$1 \mathrm{~cm}$$ melts in a gravity free container. The approximate surface area of water formed is (water is in the form of spherical drop)

A
$$(36 \pi)^{1 / 3} \mathrm{~cm}^2$$
B
$$(24 \pi)^{1 / 3} \mathrm{~cm}^2$$
C
$$(28 \pi)^{1 / 3} \mathrm{~cm}^2$$
D
$$(12 \pi)^{1 / 3} \mathrm{~cm}^2$$
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Water rises upto a height of $$4 \mathrm{~cm}$$ in a capillary tube. The lower end of the capillary tube is at a depth of $$8 \mathrm{~cm}$$ below the water level. The mouth pressure required to blow an air bubble at the lower end of the capillary will be '$$\mathrm{X}$$' $$\mathrm{cm}$$ of water, where $$\mathrm{X}$$ is equal to

A
10
B
8
C
6
D
12
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The speed of a ball of radius $$2 \mathrm{~cm}$$ in a viscous liquid is $$20 \mathrm{~cm} / \mathrm{s}$$. What will be the speed of a ball of radius $$1 \mathrm{~cm}$$ in same liquid?

A
10 cm/s
B
4 cm/s
C
5 cm/s
D
8 cm/s
4
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Water rises to a height of $$2 \mathrm{~cm}$$ in a capillary tube. If cross-sectional area of the tube is reduced to $$\frac{1}{16}^{\text {th }}$$ of initial area then water will rise to a height of

A
4 cm
B
8 cm
C
12 cm
D
16 cm
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