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9th Class MCQs Physics Chapter No.9 Transfer of Heat

9th Class MCQs Physics Chapter No.9 Transfer of Heat,BISE Bahawalpur,Lahore Board,Rawalpindi Board,Faisalabad Board,Matric Exam online Preparation,Quiz

PHYSICS – Class 9th
Chapter Name : Transfer of Heat
Chapter No. 9
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD Matric board Papers and Text Book.








Book Name :  PHYSICS
Chapter No.  9
Chapter Name : Transfer of Heat
Total MCQ from Text Book :  36
Book Version  :
2021

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Matric Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 9th ( Matric)
Total Marks : 36
Total Time :   36 minutes 




4

Class 9th Physics Chapter No 09 Transfer of Heat

Class 9th Physics Chapter No 09 Transfer of Heat

1 / 36

False ceiling is done to: SGD G2 2014

2 / 36

What happens to the thermal conductivity of a wall if its thickness is doubled?

3 / 36

Convection of heat is heat transfer due to:

4 / 36

In Solid substances heat is transferred by:

5 / 36

The example of bad conductor is: GUJ G2 2014

6 / 36

Metals are good conductor of heat due to the:

7 / 36

Amount of heat that flows in unit time is called:

8 / 36

In gases, heat is mainly transferred by: RWP G2, LHR Gl 2014

9 / 36

_________is good radiator of heat. MTN Gl 2014

10 / 36

If thickness of a wall is doubled, then its thermal conductivity becomes: GUJ Gl 2014

11 / 36

Transfer of heat in gases is by :

12 / 36

Gliders motion in upward direction is due to :

13 / 36

Metals are good conductor of heat because:

14 / 36

Pure water is a:

15 / 36

Rooms are heated using gas heaters by: FSD Gl 2014

16 / 36

Which of the following is a good radiator of heat?

17 / 36

The bottoms of cooking pots are made to increase the absorption of heat:

18 / 36

In gases, heat is mainly transferred by

19 / 36

In liquids transfer of heat is by:

20 / 36

Rooms are heated using gas heaters by:

21 / 36

Land breeze below from:

22 / 36

Sea breeze blows from:

23 / 36

In solids, heat is transferred by:

24 / 36

White surfaces:

25 / 36

A polished surface is a:

26 / 36

The thermal conductivity of dry air is______ DGK Gl 2014

27 / 36

False ceiling is done to:

28 / 36

In black body the heat energy is conducted due to process of

29 / 36

Land breeze blows from

30 / 36

The Thermal Conductivity of Silver is______ BWP G1 2014

31 / 36

transfer of heat in thermos flask reduces by

32 / 36

Usually rays reaches us due to process of:

33 / 36

Convection of heat is the process of heat transfer due to the:

34 / 36

Birds can fly for hours without flapping wings due to:

35 / 36

Radiations transfer in the form of:

36 / 36

The glider remains in air due to: FSD G2 2014

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