It the dislance beluween Hhe easth f the sun weue its bresent realue , the numbee of day in a upuld Rau been:
Q: How do the wavelengths of most of the radiation emitted by the sun differ from those emitted by the…
A: The Earth's radiation has longer wavelengths than that of the Sun because it comes from a much…
Q: Do Earth and Moon always cast shadows?
A: The earth and moon always cast shadows. We cannot see their shadow because we don’t have a screen to…
Q: what is effect on the colour of clouds when it contain an abundance of large droplets?
A: The clouds floating overhead contain water vapor and cloud droplets, whish are small drops of…
Q: How are Ultraviolet waves produced?
A: Ultraviolet radiation is generated naturally from the Sun and artificial sources such as…
Q: The lunar phase depends on How much of the lit portion of the Earth is shining on the Moon. O How…
A: The lunar phase depends on _______?Optionshow much of the lit portion of the earth is shining on the…
Q: A solenoid 50 cm long is wound with 500 turns of wire. The cross-sectional area of the coil is 2.0…
A: Given values-Number of turns, N=500Solenoids Length, l= 50 cm=50×10-2 mCross-sectional area= 2…
Q: Why do you think that ultraviolet radiation causes a suntan, whereas infrared radiation does not?
A: Ultraviolet radiation is a type of electromagnetic radiation. Frequency range of ultraviolet…
Q: Compare the refraction of light through aprism of aglass with that of a rectangular prism?
A: Here given two optical instrument like rectangular slab and a glass prism. We have to compare the…
Q: Choose the BEST answer to the following: Compared with radiation from the Sun, terrestrial radiation…
A: Step 1The electromagnetic radiation emitted by the Earth’s surface and atmosphere is called…
Q: Why is the sky blue?
A: Scattering of light: It is the phenomenon under which the light rays get turned from its straight…
Q: What is the ratio of the sunlight intensity reaching Pluto compared with the sunlight intensity…
A:
Q: Name two sources of each of infrared radiations and ultraviolet radiations.
A: One of the primary sources of infrared radiation is the heat or thermal radiation. IR rays are…
Q: Which is closet to the sun in winter, Australia or Utah?
A:
Q: For April 10th at a location at 40° latitude, calculate: (i) the extraterrestrial normal radiation…
A:
Q: How are Radio waves created in outer space?
A: Radio waves are electromagnetic waves having their frequency ranging from 1024 Hz to 1022 Hz. The…
Q: B) List two differences between solar dishes and solar parabolic trough system.
A: Parabolic Through Dish or Solar Dish: A set of concave mirror that concentrate solar radiation on…
Q: make answer clear and visable (box answer or circle it undeline it etc...)
A:
Q: What accounts for some clouds being white and others dark?
A: It is observable that some clouds appear white whereas some appears dark.
Q: Why is the moon so bright?
A: The moon is actually quite dim when compared to other astronomical bodies. Moon only seems bright in…
Q: In contrast to Earth, the Moon undergoes extremes in tempera- ture. Why?
A: The atmosphere is formed when a planet's gravity attracts gases and covers the planet like a…
Q: In one city, where the latitude angle is 38.46, calculate the minimum shade length that a 2 meter…
A: Sun tangent can be calculated as follows,
Q: What do you mean by infrared radiation (IR)?
A: Infra red radiation also known as infra red is one of the region in the electro…
Q: what is theramal energy
A: The energy possessed by a system due to the movement of the particles within the system is known as…
Q: Why is sea dark?
A: Darkness is the absence of light. We see objects when light from a source is reflected by the object…
Q: How will the color of the sky appear different on humid days compared to days of a low humidity?…
A: Generally we see the color of the sky is Blue. Actually the sky do not have any color. Color…
Q: Do Earth and the Moon always cast shadows? What do we call the occurrence where one passes within…
A: Moon and Earth will always cast shadows. The shadows can be seen during the occurrence of eclipses.
Q: (b.) The Sun is lower in the sky during the winter than it is during the summer. How does this…
A: The angle of sunlight on the earth affects the season on the earth and also the heating effect…
Q: -September
A: Days and nights are of equal length to each other in - September (Answer)
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