Class 9 Physics Online Tests
Heat Transfer and Radiation MCQ (Multiple Choice Questions) PDF Download
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The Heat transfer and radiation Multiple Choice Questions (MCQ Quiz) with Answers PDF, DownloadHeat Transfer and Radiation MCQ PDF e-Book to practice Grade 9 Physics Tests. Study Transfer of Heat Multiple Choice Questions and Answers (MCQs), Heat Transfer and Radiation quiz answers PDF to learn online classes courses. The Heat Transfer and Radiation MCQ App Download: Free Grade 9 Physics App for heat and heat transfer, conduction, convection, general physics test prep for online secondary school classes.
The MCQ: A transparent polyethene sheet works as heat trapper because it; "Heat Transfer and Radiation" App Download (Free) with answers: traps radiations of sun inside only, passes radiations of short wavelength only, traps long wavelength radiations, and traps radiation of sun inside and passes radiations of short wavelength to learn online classes courses. Solve Transfer of Heat Quiz Questions, download Apple eBook (Free Sample) for distance learning.
Heat Transfer and Radiation Questions and Answers PDF Download
A transparent polyethene sheet works as heat trapper because it
- traps radiations of sun inside only
- passes radiations of short wavelength only
- traps long wavelength radiations
- traps radiation of sun inside and passes radiations of short wavelength
The rate of emission of radiation depends on
- color and texture of surface
- surface temperature
- surface area
- all of above
Carbon dioxide in atmosphere traps the radiation and causes
- decrease in temperature
- greenhouse effect
- depletion of ozone layer
- formation of ozone layer
If the temperature of an object is higher than its surroundings then it is
- radiating more heat than absorbing
- conducting more heat than absorbing
- absorbing more heat than radiating
- conducting less heat than radiating
Class 9 Physics Practice Tests
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