Properties of Solids & Liquids (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 181 - 184 of 190

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Question number: 181

» Properties of Solids & Liquids » Specific Heat Capacity

MCQ▾

Question

A student takes 50 gm wax (specific heat = 0.6 kcal/kg °C) and heats it till it boils. The graph between temperature and time is as follows. Heat supplied to the wax per minute and boiling point are respectively.

Temperature vs time graph - 50gm wax

Temperature vs Time Graph - 50gm Wax

In above figure we can show that effect of temperature on wax

Choices

Choice (4) Response

a.

500 cal, 50°C

b.

1000 cal, 100°C

c.

1500 cal, 200°C

d.

1000 cal, 200°C

Question number: 182

» Properties of Solids & Liquids » Terminal Velocity

MCQ▾

Question

A large open tank has two holes in the wall. One is a square hole of side L at a depth y from the top and the other is a circular hole of radius if at a depth 4y from the top. When the tank is completely filled with water the quantities of water flowing out per second from both the holes are the same. Then R is equal to

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 183

» Properties of Solids & Liquids » Terminal Velocity

MCQ▾

Question

An incompressible liquid flows through a horizontal tube as shown in trite following fig. Then the velocity v of the fluid is

Flow of horizontal fluid Velocity of 8m/s

Flow of Horizontal Fluid Velocity of 8m/S

In above figure we show that in starting fluid flow with 8 m/s and then it divided in two way with one velocity of 4 m/s

Choices

Choice (4) Response

a.

3.0 m/s

b.

1.5 m/s

c.

2.25 m/s

d.

1.0 m/s

Question number: 184

» Properties of Solids & Liquids » Surface Energy and Surface Tension

MCQ▾

Question

A homogeneous solid cylinder of length L and cross-sectional area is immersed such that it floats with its axis vertical at the liquid-liquid interface with length in the denser liquid as shown in the fig. The lower density liquid is open to atmosphere having pressure P Q. Then density of solid is given by

homogeneous solid cylinder in liquid with length L/4

Homogeneous Solid Cylinder in Liquid With Length L/4

Here in above fig we show that homogenous cylinder of length in liquid phase interface with length L/4.

Choices

Choice (4) Response

a.

b.

c.

d.

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