Share & grow the world's knowledge!
We want to connect the people who have knowledge to the people who need it, to bring together people with different perspectives so they can understand each other better, and to empower everyone to share their knowledge.
Which cloud type is known as ‘Fair Weather’ clouds? (A) Cumulonimbus (B) Stratus (C) Cumulus (D) Cirrus
Cumulus clouds form when warm air rises and cools to its dew point, causing water vapor to condense. The flat base of the cloud shows the altitude where condensation begins. In "fair weather" conditions, these clouds remain low and do not have much vertical development. They are usually widely spaceRead more
Cumulus clouds form when warm air rises and cools to its dew point, causing water vapor to condense. The flat base of the cloud shows the altitude where condensation begins. In “fair weather” conditions, these clouds remain low and do not have much vertical development. They are usually widely spaced, allowing plenty of sunlight to reach the ground. If the atmosphere becomes more unstable, these small clouds can swell into “Cumulus Congestus” and eventually “Cumulonimbus,” which are associated with heavy rain and lightning. Thus, small cumulus clouds are the hallmark of a pleasant, stable day.
SSC, CGL, MTS Question set. Review errors, practice daily and conquer exams with Competitive TA Exam. Start Your Journey.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessWhat is the process called when ice turns directly into water vapor without melting? (A) Evaporation (B) Sublimation (C) Condensation (D) Deposition
Sublimation is a vital part of the water cycle, especially in cryospheric regions. For sublimation to occur, the air must be dry enough that the vapor pressure of the ice is higher than the surrounding air. Strong sunlight and dry winds accelerate this process. A common example is "dry ice" (solid CRead more
Sublimation is a vital part of the water cycle, especially in cryospheric regions. For sublimation to occur, the air must be dry enough that the vapor pressure of the ice is higher than the surrounding air. Strong sunlight and dry winds accelerate this process. A common example is “dry ice” (solid CO2) turning into gas at room temperature. In the atmosphere, sublimation helps maintain the balance of glaciers and snowpacks. The reverse process—where vapor turns directly into ice—is called “deposition,” which is how frost and snowflakes are formed directly from the air.
SSC, CGL, MTS Question set. Review errors, practice daily and conquer exams with Competitive TA Exam. Start Your Journey.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessWhat is the ‘Jet Stream’ primarily caused by?
The strength of the Jet Stream is directly proportional to the temperature difference between two air masses. The most powerful is the Polar Jet, located at the boundary of the Polar and Ferrel cells. Because the air is colder and denser to the north and warmer to the south, a steep pressure gradienRead more
The strength of the Jet Stream is directly proportional to the temperature difference between two air masses. The most powerful is the Polar Jet, located at the boundary of the Polar and Ferrel cells. Because the air is colder and denser to the north and warmer to the south, a steep pressure gradient is established. As air moves to equalize this pressure, the Coriolis effect deflects it, causing it to race eastward at speeds exceeding 200 mph. These winds are crucial for global aviation and act as a steering mechanism for surface weather systems and storms across the mid-latitudes.
SSC, CGL, MTS Question set. Review errors, practice daily and conquer exams with Competitive TA Exam. Start Your Journey.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessWhich type of cloud is often called a ‘Thunderhead’? (A) Altostratus (B) Cirrocumulus (C) Cumulonimbus (D) Nimbostratus
A cumulonimbus cloud begins as a small cumulus cloud but grows vertically due to intense thermal convection. As moisture condenses, it releases latent heat, which further fuels the upward movement of air. These clouds are unique because they possess internal "updrafts" and "downdrafts" that create tRead more
A cumulonimbus cloud begins as a small cumulus cloud but grows vertically due to intense thermal convection. As moisture condenses, it releases latent heat, which further fuels the upward movement of air. These clouds are unique because they possess internal “updrafts” and “downdrafts” that create the friction necessary for electrical charging (lightning). When the top of the cloud reaches the stable layer of the stratosphere, it spreads out horizontally, forming the “anvil” shape. Because of their immense energy and height, they are a major focus for severe weather forecasting and aviation safety.
SSC, CGL, MTS Question set. Review errors, practice daily and conquer exams with Competitive TA Exam. Start Your Journey.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessWhat is the ‘Rossby Wave’ in the atmosphere? (A) A type of sound wave (B) Large-scale meanders in high-altitude winds (C) A localized sea breeze (D) Small ripples in the ionosphere
Rossby waves (or planetary waves) are fundamental to large-scale weather patterns. When the jet stream develops these deep "loops," it allows cold arctic air to plunge south (troughs) and warm tropical air to surge north (ridges). If these waves become "blocked" or move very slowly, it can lead to pRead more
Rossby waves (or planetary waves) are fundamental to large-scale weather patterns. When the jet stream develops these deep “loops,” it allows cold arctic air to plunge south (troughs) and warm tropical air to surge north (ridges). If these waves become “blocked” or move very slowly, it can lead to persistent weather events like long-term heatwaves or extended periods of heavy snow. The interaction of these waves with the Earth’s rotating surface is what ultimately dictates the position of high and low-pressure systems across the temperate zones of both hemispheres.
SSC, CGL, MTS Question set. Review errors, practice daily and conquer exams with Competitive TA Exam. Start Your Journey.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See less