Category: SSC

SSC Exam preparation. CGL, Delhi Police, Banking, Railways, etc.

Discussion Forum Latest Questions

Piyush365

The Wet Adiabatic Lapse Rate occurs when rising air becomes saturated and water vapor begins to condense into liquid droplets. This condensation releases “latent heat,” which warms the surrounding air. Consequently, saturated air cools more slowly (about 5°C per km) ...

Piyush365

The ozone layer specifically excels at absorbing UV-B radiation (280–315 nm). While it absorbs all UV-C radiation (the most dangerous), UV-B is the wavelength that partially reaches the surface and causes sunburn, skin cancer and cataracts. By absorbing most of ...

Piyush365

Noctilucent clouds or “night-shining” clouds, are composed of tiny ice crystals. They form in the mesosphere, the highest part of the atmosphere, at altitudes of about 76 to 85 kilometers. They are only visible during deep twilight when the sun ...

Piyush365

The twinkling of stars, known as stellar scintillation, is caused by atmospheric refraction. As starlight passes through different layers of the atmosphere with varying densities and temperatures, the light is bent multiple times. Since the atmosphere is constantly moving due ...

Kriti

All of the listed statements are scientifically accurate. Atmospheric pressure does fluctuate twice daily due to “atmospheric tides.” It is also true that pressure reaches its maximum at sea level because the air is most compressed there. Finally, millibars are ...