A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?

Related Mcqs:

Noise pollution level in a chemical plant is expressed in __________________?

A. Roentgen B. Decibel C. Hertz D. None of these...

Black smoke coming out of the chimney of a furnace is an indication of the use of ______________ in the furnace?

A. Low amount of excess combustion air B. Large quantity of excess combustion air C. Hydrocarbon fuel D. Pulverised coal as fuel...

Peroxyacetyl nitrate (PAN), a pollutant is found in the_________________?

A. Automobile exhaust B. Flue gas of coal based power plant C. Exhaust of nitric acid plant D. Exhaust of sulphuric acid plant...

The earth’s atmosphere is an envelope of gases present upto a height of about ______________ kms?

A. 10 B. 200 C. 1000 D. 2000...

During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?

A. Idle running B. Acceleration C. Cruising D. Deceleration...