What is the basic difference between a cloud and fog?

Q: Why is Evaporation a Surface Phenomenon?

A: Evaporation is a surface phenomenon because, during evaporation, the molecules with higher kinetic…

Q: What happens to the amount of 'microscopic slush' in cold water when its temperature is increased?

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Q: vapor

A: Clouds are formed when the moist, warm air cools and thus expands in the atmosphere. Due to lower…

Q: When you blow some air above a strip of paper, the paper rises. This is because

A: In the normal situation, the paper is in equilibrium because the downward thrust due to the air…

Q: Which one of the following phrases is an example of sublimation? * the condensation of steam on a…

A: Sublimation is conversion of a substance from the solid to the gaseous state without becoming…

Q: Why are icebergs often surrounded by fogs?

A: Condensation can be defined as the change of phase of water from gaseous to liquid.

Q: Why are icebergs often surrounded by fog?

A: Temperature of ice burgs will be very low , it will be below zero degree Celsius .   Moisture…

Q: What do you think will happen if water is used in a thermometer instead of mercury?

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Q: Why do the liquids boil at lower temperature at high altitude?

A: Air pressure highly depends on the altitude you’re at. In mountainous regions, the air pressure is a…

Q: The air in a hot-air balloon can be heated only so much; the temperature of the gas inside the…

A: A hot air balloon consists of a nylon envelope. The hot air inside the balloon is less dense than…

Q: 26.) Which of the following is not an example of thermal expansion?

A: Thermal expansion is change in properties of matter, such as change in shape, area and volume due to…

Q: What is evaporation?

A: Evaporation is a fundamental part of the water cycle and it is constantly occurring throughout the…

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: Does 'microscopic slush' in water tend to make it more dense or less dense?

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Q: Why should we wear cotton clothes in summer?

A: We sweat more in the summer session. Cotton is a strong water absorber helps to absorb the sweat and…

Q: Why will spraying fruit trees with trees with water before a frost help to protect the fruit from…

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Q: Explain why air temperature readings are always takenwith the thermometer in the shade

A: Air temperature is a measure of how hot or cold the air is.

Q: What is the thermometer for air

A: In this problem, it is asking about thermometer for air.

Q: 1.3 kg of air contains 3.9 g of water vapor in it. What is the absolute humidity of the air in the…

A: The given data are: ma=1.3 kgmv=3.9 g Here, ma, and mv represent the mass of air and the mass of…

Q: what is the meaning of the expression"it's not heat, it's the humidity?

A: The expression “it’s not the heat, it’s the humidity”, is used every summer.The heat index, which…

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

A: When air will get warmer, it will rises and expands. As air is expanding, the pressure will be…

Q: The record high temperature for Massachusetts is 104 degrees between high and low?

A: Given : Record high temperature (T1) = 104°F Record low temperature (T2) = -18°F

Q: At 1:00PM, a thermometer reading 75°F is taken out where the temperature is 20 °F. The reading is 30…

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Q: When air in a hot air balloon is heated the air inside the balloon O Expands Contracts O Evaporates

A: Given  When air in a hot air balloon is heated ,the air i side the balloon________

Q: 10. Which of the following is an example of convection? a glass beaker heating up when placed on a…

A: Dear student Convection is mode of heat transfer when heat travels from one place to other through…

Q: What happens to steam pressure and velocity in a converging nozzle?

A: A nozzle is a mechanical instrument/device which is used to control the motion of the fluid flowing…

Q: Why do clouds often form above mountain peaks? (Hint: Consider the updrafts.)

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Q: What is a kelvin scale?

A: Kelvin scale is a temperature scale where absolute zero is defined as 0 K. It is obtained by…

Q: The weather forecaster predicts that today’s high will be 70. Which temperature scale is being used?…

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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: What is thermal equilibrium?

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

A: Temperature refers to the hotness or coldness of a body. In specific terms, it is the way of…

Q: Humidity is a measure of the _______________.   A) pressure in the air B) viscosity of the air…

A: The amount of water vapor in the air is measured by the humidity of air.

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: On a winter day when the air temperature is 0 °C, the relative humidity is 50% . Outside air comes…

A: Given, Temperature T1 = 0∘ Temperature T1 = 20∘ Partial pressure of water vapor at  0∘=610.5 pa.…

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.