On a night when the sky is clear the temperature may dip considerably; on a cloudy night the temperature will usually dip much less. The reason for this difference is that

General knowledge(GK) - Online Exam Test Papers | General knowledge(GK) - MCQs[multiple choice questions and answers ] | General knowledge(GK) - Mock Test Papers | General knowledge(GK) - Practice Papers | General knowledge(GK) - Sample Test Papers |

Question:
On a night when the sky is clear the temperature may dip considerably; on a cloudy night the temperature will usually dip much less. The reason for this difference is that

1. the clear sky allows radiant energy to escape readily from the earth

2.on a cloudy night the clouds are warm and therefore retard the cooling

3. the clear sky allows the cold of outer space to reach the earth

4. current of air carry the heat away from the earth on a clear night

Posted Date:-2021-03-06 09:20:04


More MCQS Questions and answers

Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!