Heat and Its Effect Objective Type Questions & Answers

Hi Everyone!! This article will share Heat and Its Effect Objective Type Questions & Answers.

In my previous posts, I have shared the Objective Type Questions & Answers of Body Movements and Light Shadows and Reflection so, you can check these posts as well.

Heat and Its Effect Objective Type Questions & Answers

Question 1: Choose the appropriate option.

(a) Convection of heat takes place…………..

i. only in solids
ii. only in liquids
iii. in liquids and solids
iv. in liquids and gases

(b) The best conductor of heat is…………..

i. gold
ii. silver
iii. copper
iv. mercury

(c) In which mode of transfer to heat, the molecules do not actually move?

i. conduction
ii. radiation
iii. convection
iv. all of the above

(d) Which is the only metal found in liquid state at room temperature?

i. mercury
ii. silver
iii. copper
iv. aluminum

(e) The temperature range of a clinic thermometer is…………..

i. 1o C to 100o C
ii. 36o C to 100o C
iii. 20o C to 40o C
iv. 35o C to 42o C

(f) The object with black surface are…………..

i. good absorbers of heat
ii. good radiators of heat
iii. good reflectors of heat
iv. both a and b

(g) The transmission of heat through vacuum is possible only by…………..

i. conduction
ii. convection  
iii. radiation
iv. all of the above

Question 2: Fill in the blanks.

(a) The range of laboratory thermometer is -10o C to 110o C.
(b) Temperature is the degree of hotness or coldness of an object.
(c) The boiling point water on the Fahrenheit scale is 212o F.
(d)  The handles of cooking utensils are made up of insulating materials.
(e) Heat flows from hotter body to colder body.
(f) Convection is the transfer of heat one place to another by movement of fluids.
(g) Heat is a form of energy.
(h) The normal temperature of a human body is 37o C.

Question 3: State whether the following statements are True or False.

(a) The sun’s heat reaches us by conduction, convection and radiation False
(b) Conduction takes place only when two objects are not in contact – False
(c) When air moves from land to sea, it is called sea breeze – False
(d) Temperature is the degree of hotness or coldness of an object – True
(e) Air is a good conductor of heat True
(f) Heat is measured in oC – False
(g) Gases are insulators of heat – True

Question 4: Match the columns.

Column AColumn B
i.   Land breeze or sea breezea. good conductors
ii.  Black and dark coloursb. clinical thermometer
iii. Gold, silver, copper, ironc. convection current
iv. Rubber, cork, plastic, woodd. good absorbers of heat
v.  Instrument used to measure body temperaturee. insulators
Answer: i-c, ii-d, iii-a, iv-e, v-b

So, these were Heat and Its Effect Objective Type Questions & Answers.