Why the climate of a harbour town is more temperate than that of a town in a desert at the same latitude?

Q: Loose-fitting white clothing covering most of the body, shown below, is ideal for desert dwellers,…

A: In desert the climate during day is sunny hot while during night it is cold. The speed of the air is…

Q: Why does snow remain on mountain slopes even when daytime temperatures are higher than the freezing…

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Q: what is meant by optimal temperature ?

A: Optimum temperature: The temperature at which an enzyme shows its highest activity is called optimum…

Q: Why does snow often remain even when daytime temperatures are higherthan the freezing temperature?

A: For any substance to melt, it requires an enormous amount of energy. Snow forms by the fusion of…

Q: If the composition of the upper atmosphere were changed so that it permitted a greater amount of…

A: The earth’s atmosphere is very important to maintain the temperature of earth. It also protects us…

Q: Why is evaporation a cooling process?

A: Evaporation is the process in which water changes its phase from liquid to gaseous.

Q: Why is thermal pollution a relative term?

A: Thermal pollution is the thermal energy pumped into the atmosphere, water bodies, etc. by the…

Q: Differentiate between Conduction and Convection?

A: To determine Difference between Conduction and convection

Q: When there is morning frost on the grass in an open park, why is frost unlikely to be found on the…

A: The ground beneath the bench absorbs less solar radiation compared to the open ground. The ground…

Q: What is the effect of temperature on surface tension?

A: Surface tension is the tension of the surface film of a liquid caused by the attraction of the…

Q: Why does the high specific heat of water have to do with convection currents in the air at the…

A: Water has a high specific heat capacity (of 4200 J/Kg°C) on the seashore and the land has a much…

Q: What is a thermocouple?

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Q: Why does presence of large water bodies tend to moderate the climate of nearby land- to make it…

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Q: Consider laminar natural convection from a vertical hot-plate. Will the heat flux be higher at the…

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Q: AT HIGH AIR MOBILITY THE WAY OF HEAT RETURNING IS IMPROVED 1. radiation 2. conduction 3. evaporation…

A: At high air mobility the way of heat returning is improved due to conduction.

Q: In what forms is thermal insulation available?

A: Thermal insulation is the process of reducing heat from the surroundings. It can be done using many…

Q: How does the frequency of radiant energy relate to the absolute temperature of the radiating source?

A: The frequency of the radiant energy is directly proportional to the absolute temperature of the…

Q: What generally happens to the temperature of rising air and sinking air?

A: If the Air sinking down compresses air at the surface, raising temperatures near the ground. The…

Q: What happens to the volume of air as it rises? What happens to its temperature?

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Q: Why does the direction of coastal winds change from day to night?

A: Coastal winds are caused due to the convection. It is classified into two types, such as sea breeze…

Q: explain why convection and conduction occur in making squash soup?

A: explain why convection and conduction occur in making squash soup?

Q: Why does cold mountain air become warm when it descends into valley?

A: When the air descends, it gets compressed due to the adiabatic process.

Q: Why does the weather become very cold after a hail storm?

A: Ice absorbs a large amount of Latent heat from the surroundings to melt. There is a lot of heat in…

Q: What type of heat transfer helps the balloon rise?

A: To determine the mode of heat transfer that helps the balloon to rise.

Q: How does adiabatic temperature change lead to a change in relative humidity?

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Q: The earth without its atmosphere would be inhospitably cold , Why?

A: The sun rays contain infrared radiations.When these rays reach earth’s surface, these are reflected…

Q: Why will clouds tend to form above either a flat or a mountainous island in the middle of the ocean?…

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Q: Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat transfer…

A: Given:-  The area  A = 1.59 m2 The temperature Tf = 1219o C and Ti = 21oC  The emissivity e = 1.0…

Q: Explain the saying “It’s not the heat; it’s the humidity.”

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Q: Distinguish between weather and climate?

A: Climate is the average weather conditions over a long period of time. It can be generalized, since…

Q: Everybody knows that warm air rises. So, it might seem that the air temperature should be higher at…

A: The temperature decreases with altitude. Let us assume the following situation where the balloon is…

Q: At what temperature does water vapor condense at the pressure of an atmosphere?

A: Condensation: Substance gaseous (vapour) state changes into its liquid condition (see states.…

Q: Why is sweating an efficient mechanism for cooling off on a hot day?

A: There will be evaporation of water and other liquids present on human’s skin into the air. The…

Q: Distinguish between humidity and relative humidity?

A: Difference between humidity and relative humidity can be described as:

Q: Does Newton's law of cooling apply to warming as well as cooling?

A: Newton’s law of cooling states that the rate of heat exchange between an object and its surroundings…

Q: What actually is thermal pollution?

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Q: Which of the following is not an example of heat transfer via convection? Air Conditioner O Breeze O…

A: Correct option  (D). Microwave oven Reason 1) Microwave is example of radiation. 2) Microwaves use…

Q: Near a large body of water, the fluctuations in air temperature are usually less extreme than they…

A: Water has a very large specific heat constant. It takes long time to heat under sun or cool during…

Q: When does Thermal equilibrium occur?

A: A thermal equilibrium between two systems occurs when there is no net exchange of heat between them.

Q: Give examples of latent heat, fusion, evaporation, and condensation on a day to day basis.

A: Objective: To determine the examples of latent heat, fusion, evaporation, and condensation in the…

Q: If the winds at the latitude of San Francisco and Washington, D.C., were from the east rather than…

A: If the winds were flowing from east rather than from west, the climate in San Francisco would be…