Properties of Solids & Liquids-Application of Surface Tension [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 4 - 10 of 33

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Passage

Read the passage given below and answer the questions that follow:

There is a small mercury drop of radius 4.0 mm. A surface P of area 1.0 mm2 is placed at the top of the drop. Atmospheric pressure = 105 Pa. Surface tension of mercury = 0.465 N/m. Gravity effect is negligible.

Question 4 (1 of 2 Based on Passage)

Question MCQ▾

The force exerted by air on surface P is

Choices

Choice (4)Response

a.

1.0023 N

b.

0.1 N

c.

1.0N

d.

105 N

Edit

Question 5 (2 of 2 Based on Passage)

Question MCQ▾

The force exerted by mercury drop on the surface P is

Choices

Choice (4)Response

a.

0.10023 N

b.

0.1 N

c.

1.0023 N

d.

0.00023 N

Edit

Passage

Read the passage given below and answer the questions that follow:

There is a small mercury drop of radius 5.0 mm. A surface P of area 2.0 mm2 is placed at the top of the drop. Atmospheric pressure = 105 Pa. Surface tension of mercury = 0.465 N/m. Gravity effect is negligible.

Question 6 (1 of 2 Based on Passage)

Question MCQ▾

The force exerted by air on surface P is

Choices

Choice (4)Response

a.

0.2 N

b.

0.1 N

c.

1.0023 N

d.

2.0 N

Edit

Question 7 (2 of 2 Based on Passage)

Question MCQ▾

The force exerted by mercury drop on the surface P is

Choices

Choice (4)Response

a.

1.3456 N

b.

0.10086 N

c.

0.3 N

d.

0.10023 N

Edit

Question 8

Appeared in Year: 1976 (AIIMS)

Question MCQ▾

The spherical shape of rain-drop is due to [CPMT 90; NCERT 1982; JIPMER 99; DCE 99; AFMC 99; MHCET 2000; CPMT 01; AFMC 01]

Choices

Choice (4)Response

a.

Density of the liquid

b.

Surface tension

c.

Gravity

d.

Atmospheric pressure

Edit

Question 9

Appeared in Year: 1997 (AIIMS)

Question MCQ▾

Water rises in a capillary up to a height . If now this capillary is tilted by an angle of , then the length of the water column in the capillary becomes – [RPMT]

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 10

Appeared in Year: 2016

Question MCQ▾

Three liquids of densities and (with ) , having the same value of surface tension T, rise to the same height in three identical capillaries. The angle of contact and obey –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit