Question # 1

The terminal velocity in case of spherical droplet is directly proportional to.

Choose an answer

Square of the radius of the droplet

Radius of the droplet

Cube of the radius of the droplet

Half of the Radius of the droplet half

The viscosity of an ideal fluid is

Choose an answer

Infinity

Unity

Zero

0.5

In any fluid the effect of decrease in pressure with the increase in speed in a horizontal pipe is known as

Choose an answer

Bernoulli's effect

Venturi effect

Torriculli's effect

Shift effect

A wire stretches 8 mm under a load of 60 N A second wire of the same material with half the diameter and a quarter of the original length of the first wire, is stretched by the same load What is the extension of the wire.

Choose an answer

1 mm

4 mm

8 mm

16 mm

With increase in temperature the angle of contact of liquid.

Choose an answer

Increases

Decreases

Becomes zero

First increase then decreases

If a liquid does not wet a solid surface, the angle of contact is.

Choose an answer

Less than 90^o

Greeter than 180 ^o

90 ^o

Between 90 ^o and 180^o

The smooth and steady streamline flow is known as

Choose an answer

Turbulent flow

Laminar flow

Regular flow

Irregular flow

The air plane lift is based on

Choose an answer

Archimedes principle

Law of conservation of momentum

Bernoulli's principle

Law of conservation of energy

The dimensions of strain are.

Choose an answer

[MLT-2]

[ML-1T-2]

[ML-2T-3]

It is a dimensionless quantity

The word fluid means

Choose an answer

To rise

To fall

To flow

To oppose

A bodybuilders uses a chest expander with five springs it takes a force of 20 N to Pallone spring out by 15 cm how much force will be needed to extend the expander by 15 cm.

Choose an answer

50 N

75 N

150 N

1000 N

How much would be the volume of ice formed by freezing 1 litre of water.

Choose an answer

1.0 litre

1.09 litre

1.90 litre

2.0 litre

halls fall faster than rain drops due to their

Choose an answer

Grater size

Greater mass

Greater area

Structure

The change in the dimensions of a body produced by the action of the deformation force is known as.

Choose an answer

Strain

Stress

Tensile strain

Tensile stress

Bernoulli's equation is Applica table to points

Choose an answer

In a steady flowing liquid

In a streamline

In a straight line perpendicular to steamline

In any non viscous liquid

A tank 3 m long 1 m wide and 0.5 m deep is filled with oil which weight 12,000 N . The pressure on the base of the tank due to oil is.

Choose an answer

1,000 Pa

4,000 Pa

3,000 Pa

6,000 Pa

The extension produced in a sample of material depends upon

Choose an answer

Nature of the material

Stretching force

Cross range order

All of the above

If a body retains completely its altered shape and size, it is said to be

Choose an answer

Perfecto elasticity

Perfect plasticity

Elasticity

elastic limit

A spring obeying Hooke's law has an upstretched length 50 mm and a spring constant of 400 N m-1 What is the tension in the spriing when its overall length is 70 mm.

Choose an answer

8 N

28 N

160 N

400 N

Viscosity in fluid refers to

Choose an answer

The density of a fluid

the compressibility of a fluid

Tangential force exerted on solid surface by the flowing fluid

Normal forces exerted on solid surace by the following fluid

Blood pressure of a person

Choose an answer

Increases with age

Describe with age

Have no change

Stops with age

Plasma exists in

Choose an answer

Electric bulbs

Tube light

Energy savers

Fluorescent tubes

The dimensions of stress are

Choose an answer

[MLT-1]

[ML-1 T]

[ML-1T-1]

[ML-1T-2]

Amorphous solids are also called.

Choose an answer

Crystalline solids

Glassy solids

Polymeric solids

Polymers

Which of the following solids exhibits only short range order.

Choose an answer

Amorphous solids

Polymeric solids

Crystalline solids

All of the above

More Classes

Other Links

PPSC Physics Chapter 2 Structural Properties of Matter MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer