StudentAidUnit 11: Transfer of Thermal Energy — Mcqs
10th Class Physics · Unit 11: Transfer of Thermal Energy
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Multiple Choice Questions Exercise
1.Which method of heat transfer requires direct contact between particles?
2.What causes convection currents in liquids and gases?
3.The natural phenomenon caused by convection currents is:
4.How does heat transfer occur through radiation?
5.The surface which absorbs and emits the most radiation is:
6.What is the role of the greenhouse effect in Earth's temperature regulation?
7.The Sun's heat reaches the Earth:
SLO Based Additional MCQs + Past papers MCQs of Punjab Boards
Introduction to Heat Transfer
1.The process of thermal energy flowing from a hotter object to a cooler one is known as:
2.Thermal energy transfer between two objects continues until:
3.Conduction is most efficient in which state of matter?
Conduction
4.In metals, heat transfer is faster than in non-metals due to the presence of:
5.Which material is mentioned as a better heat conductor than copper?
6.A vacuum flask reduces heat loss by conduction and convection primarily through its:
7.Why do cooking pans often have plastic or wood handles?
Convection
8.Convection is the transfer of heat involving the actual movement of:
9.In the experiment for liquid convection, what substance is used to visualize currents?
10.During the day, a sea breeze occurs because:
11.Birds like eagles use rising warm air currents called _______ to glide.
12.In a household water heater, hot water naturally moves to the:
13.Convection currents in the ocean help support marine life by:
Radiation
14.Heat transfer by radiation travels in the form of:
15.Which device measures temperature by detecting infrared radiation?
16.According to the Leslie's Cube experiment, which surface emits the most heat?
17.Radiators are designed with thin fins to increase their:
18.If an object is hotter than its surroundings, it will:
Greenhouse Effect
19.Glass in a greenhouse allows short-wavelength radiation to enter but blocks:
20.Which gas is primarily responsible for the enhanced greenhouse effect mentioned?
21.Without the natural greenhouse effect, Earth would be:
22.Global warming is defined as the rise in Earth's: