Advertisements
Advertisements
प्रश्न
If the Earth did not have atmosphere, would its average surface temperature be higher or lower than what it is now? Explain.
Advertisements
उत्तर
If the Earth did not have atmosphere, then there would be absence of greenhouse effect of the atmosphere. Due to this reason, the temperature of the earth would be lower than what it is now.
APPEARS IN
संबंधित प्रश्न
To which part of the electromagnetic spectrum does a wave of frequency 5 × 1019 Hz belong?
If the earth did not have an atmosphere, would its average surface temperature be higher or lower than what it is now?
A wave has a wavelength of 10-3 nm. Name the wave.
Is it possible that in a Coolidge tube characteristic Lα X-rays are emitted but not Kα X-rays?
If the current in the circuit for heating the filament is increased, the cutoff wavelength
The short-wavelength limit shifts by 26 pm when the operating voltage in an X-ray tube is increased to 1.5 times the original value. What was the original value of the operating voltage?
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
When 40 kV is applied across an X-ray tube, X-ray is obtained with a maximum frequency of 9.7 × 1018 Hz. Calculate the value of Planck constant from these data.
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Give one use of electromagnetic radiations in Infrared radiation.
Choose the correct option.
Earth’s atmosphere is richest in
One requires 11eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in ______.
