ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

Try The MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 17 Physics of Solids

00:00
Question # 1

In the phenomenon of hysteresis

Question # 2

The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:

Question # 3

Experiments revealed that the ratio of the stress to the strain is a constant value for

Question # 4

Above the curie temperature, iron becomes

Question # 5

Amorphous solids:

Question # 6

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 7

A semi-conductor in its extremely pure form is known as

Question # 8

In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:

Question # 9

The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict

Question # 10

when the deformation produced in the material become permanent, this type of behaviour is called

Question # 11

On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost

Question # 12

The units of modulus of elasticity are

Question # 13

The curie temperature of iron is about

Question # 14

Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as

Question # 15

The charged nucleus of an atom itself spins its magnetic field

Submit

Prepare Complete Set Wise ECAT Physics Chapter 17 Physics of Solids MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Physics Chapter 17 Physics of Solids MCQ`s Test

  • H
    HAMZA Shah 21 - Sep - 2021 00 Min 59 Sec 60/60
  • H
    Heer 04 - Jan - 2024 00 Min 53 Sec 55/60
  • S
    Sana Hashim 23 - May - 2022 01 Min 23 Sec 55/60
  • U
    Ummehabiba I_156 11 - Mar - 2023 02 Min 30 Sec 55/60
  • F
    Farhan Arshad 28 - Nov - 2024 03 Min 03 Sec 55/60
  • A
    Abdullah Baloch 01 - Aug - 2024 03 Min 14 Sec 55/60
  • H
    Haram 26 - Jun - 2021 05 Min 07 Sec 55/60
  • U
    Umer Usman 10 - Mar - 2024 02 Min 17 Sec 50/60
  • M
    Muhammad Rizwan 16 - Jul - 2022 02 Min 24 Sec 50/60
  • A
    Alishba Farooq 09 - Mar - 2024 45 Min 56 Sec 50/60
  • Z
    Zia Ullah Chahal 08 - Mar - 2024 02 Min 28 Sec 45/60
  • M
    Muhammad noor Ahmed 28 - Feb - 2024 02 Min 41 Sec 45/60
  • A
    Aleeza 21 - Jun - 2021 02 Min 42 Sec 45/60
  • I
    Ismail 04 - Aug - 2021 05 Min 15 Sec 45/60
  • U
    Unknown 14 - Apr - 2022 00 Min 47 Sec 40/60

ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The conduction band in a solid
A. may be empty
B. cannot be empty
C. should be filed
D. all of them
2 The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:
A. Critical temparature
B. Temperature of vaporization
C. Melting point
D. Both (A) and (C)
3 The whole structure obtained by the repetition of unit cells is called:
A. Crystal lattice
B. Amorphous solid
C. Polymeric solid
D. Polysterne
4 In the phenomenon of hysteresis
A. magnetism leads the magnetising current
B. magnetism lags behind the magnetising current
C. meganetism goes along the magnetising current
D. none of them
5 The amplitude of oscillation of each atom in a metallic crystal rises with the
A. rise in temperature
B. decrease in temperature
C. even temperature remains constant
D. all of them
6 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
7 The word amorphous means:
A. Without any structure
B. With definite structure
C. Regular arrangement of molecules
D. Both (B) and (C)
8 In a soft iron, domains are
A. easily oriented along external field and do not return to original random positions
B. easily oriented along external field and readily returns to originally random position
C. do no oriented along external field and also do not returns to originally random position
D. none of them
9 Each atom in a metal crystal vibrates about a fixed point with an amplitude that:
A. Decrease the rise in temprature
B. Is not affected by rise in temprature
C. Increase with rise in temprature
D. Both (B) and (C)
10 when the deformation produced in the material become permanent, this type of behaviour is called
A. proportionality
B. elasticity
C. plasticity
D. none of them

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!