Why is the sky darker blue when you are at high altitudes?

Q: Even though metal is a good conductor, frost can be seen on parked cars in the early morning even…

A: The radiation from the Sun will be absent early in the morning. Therefore, the surrounding…

Q: The ____________ is the most important layer of the ionosphere for refracting HF radio wave and at…

A: Ionisation is the process in which electrically charged and neutral atoms and molecules gain or lose…

Q: Why do you alway see lightening before the thunderstorm?

A: Recall speed of light is much more than speed of sound. Speed of light=c=3×108 m/s and speed of…

Q: vapor

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

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: Water vapor is an invisible gas. How can an increase in relative humidity affect visibility?

A: Water vapour is the gaseous condition of H2O that is imperceptible to the naked eye. Clouds are…

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 is sublimation?

A: Sublimation is the direct change from the solid phase to gaseous phase without passing through the…

Q: A rock salt prism is used instead of glass prism to obtain the infrared spectrum?

A: The infrared spectrum will be absorbed by a glass prism. Hence, we cannot see the infrared spectrum…

Q: The sky appears to be blue during the day because: 1. Air absorbs blue light less than other…

A: The sky appears to be blue during the day.

Q: Based on your observation, what is the direction of the circulation of red food color? blue food…

A: As the heart beats, it pumps blood through a system of blood vessels called circulatory system.…

Q: Why do you think that ultraviolet radiation causes a suntan whereas infrared radiation dies not?

A: The ultraviolet rays are damaging because they can cause damage to skin cells. It can cause…

Q: Why is white wash sometimes applied to the glass of florists greenhouses in the summer?

A: A greenhouse traps heat inside it. Sunlight entering through the glass gets reflected inside the…

Q: What is sonoluminescence?

A: Question. What is sonoluminescence?

Q: Why does the water in a car radiator sometimes boil explosively when the radiator cap is removed?

A:

Q: Blue color of the sky represents Tyndall effect a)T b)f

A: The blue color of sky is due to scattering of white light from the dust particles present in…

Q: Why do we wear white or light coloured clothes in summer and dark coloured clothes in winter?

A: White or light coloured clothes reflects light, which is reflects heat. So it helps to possess our…

Q: What is the importance of recording the room temperature and atmospheric pressure prior to the…

A: Temperature- temperature is an an important fundamental parameter which shows that whether a…

Q: at beach, you can get a sunburn while under the shade of an umbrella.What is your explanation?

A: Despite of being under the shade or umbrella, one can get the sunburns at the beach because…

Q: What do you notice when you get into a car that has been sitting in the Sun for a while?

A: the inside of the car will warm because radiation is coming in but not much is going back out.

Q: What is radiation spectrum?

A: The entire range of electromagnetic radiation, including  radio waves, microwaves, infrared…

Q: What is the frequency of infrared light of 1.0*10^-4 wavelength?

A:

Q: Why is ultraviolet light, but not infrared light, effective in making certain materials fluoresce?

A: Given: Why is ultraviolet light, but not infrared light, effective in making certain materials…

Q: When you step inside a warm ski lodge on a cold day, you find your eyeglasses fog. Why does this…

A: Due to condensation fog can be found on eyeglass.

Q: Choose the BEST answer to the following: A high-temperature source radiates relatively (a) short…

A: Step 1Let f is the frequency and T is the temperature, then it is known that

Q: Cite a primary difference between waves of solar radiation and waves of terrestrial radiation.

A: Solar radiation is the radiant energy produced by the Sun from nuclear fusion. Terrestrial radiation…

Q: Why does a body emit radiations of all wavelengths and not for a particular wavelength?

A: Wavelength – When we consider a point on a single wave, then the measurement of the distance between…

Q: Why is a sunflower yellow?

A: Sunflowers are annual flowers with thick and big petals.

Q: The Sun is lower in the sky during the winter than it is during the summer. How does this change…

A: If the sun is lower in the sky, the flux becomes less. Less flux makes the temperature on the earth…

Q: Why the colour of the sky is blue?

A: When sunlight passes through the atmosphere, the fine particles in the air scatter the blue color…

Q: Define the term Doppler effect?

A: The difference in frequency of a sound wave with respect to an observer nearly to the wave source…

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.