Question # 1

Yield stress is another name of

Choose an answer

Plasticity

Proportional limit

Elastic limit

Both (b) and (c)

In glass, molecules are irregularly arranged so it is known as.

Choose an answer

Solid

Liquid

Solid liquid

Gas

Which of the modulus of elasticity is involved in compressing a rod to decrease its length ?

Choose an answer

Young's modulus

Bulk modulus

Modulus of elasticity

None of these

The critical temperature of mercury is.

Choose an answer

1.18 K

4.2 K

3.72 K

7.2 K

Which type of impurity is to be added to a pure semi conductor crystal to provide holes.

Choose an answer

Monovalent

Trivalent

Tetravalent

Pentavalent

A solid having regular arrangement of molecules throughout its structure is called.

Choose an answer

Amorphous solid

Polymeric solid

Crystalline solid

Glassy solid

The most suitable metal for making permanent magnet is.

Choose an answer

Iron

Aluminium

Steel

Copper

The word amorphous means:

Choose an answer

Regular structured

Without form or structure

Frozen structured

None of above

Which one of the following is ductile substance.

Choose an answer

Copper

Lead

Wrought iron

All of them

The solids are classified as

Choose an answer

Polymeric

Amorphous

Crystalline

All of above

In extrinsic semiconductors doping is of the order of.

Choose an answer

1 atom to 10⁴

1 atom to 10⁶

1 atom to 10⁸

1 atom to 10³

The unit of strain is:

Choose an answer

Nm

Nm^-2

no unit

Nm²

If both the length and radius of the rod are doubled, then the modulus of elasticity will:

Choose an answer

Increase

Decrease

Remains the same

Doubled

The temperature at which, semiconductor behaves as insulators:

Choose an answer

10k

0k

237k

None of above

Shear modulus is expressed as:

Choose an answer

G = tanθ/F/A

F/A/tanθ

F/tanθ

tanθ/A

At 0 K a piece of silicon is a

Choose an answer

Conductor

Semi-conductor

Insulator

All

There are different crystal systems. The number of these crystal system is.

Choose an answer

3

4

5

7

More Classes

Other Links

Ics Part 2 Physics Chapter 6 Test Online 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