When the moon completely covers the sun, it is known as – (1) the Antumbra (2) the Umbra (3) the Penumbra (4) None of these

When the moon completely covers the sun, it is known as – (1) the Antumbra (2) the Umbra (3) the Penumbra (4) None of these
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(2) the Umbra Explanation: A solar eclipse occurs when the moon crosses the path between the sun and the earth. The darkest shadow (where the sun is completely covered) is called the umbra. The umbra is narrow at the distance of the Earth, and a total eclipse is observable only within the narrow strip of land or sea over which the umbra passes. The partial shadow is called the penumbra.
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When the moon completely covers the sun, it is known as (1) the Antumbra (2) the Umbra (3) the Penumbra (4) None of these

Description : When the moon completely covers the sun, it is known as (1) the Antumbra (2) the Umbra (3) the Penumbra (4) None of these

Last Answer :  the Umbra

When the Earth comes into the umbra and penumbra of the Moon, _____ is formed.

Description : When the Earth comes into the umbra and penumbra of the Moon, _____ is formed.

Last Answer : When the Earth comes into the umbra and penumbra of the Moon, _____ is formed. A. lunar ecilpse B. ... C. partial lunar eclipse D. None of the above.

when the Moon comes into the umbra and penumbra of the Earth, _____ is formed.

Description : when the Moon comes into the umbra and penumbra of the Earth, _____ is formed.

Last Answer : when the Moon comes into the umbra and penumbra of the Earth, _____ is formed.

The darkest portion of the shadow cast during an eclipse is– (1) Corona (2) Umbra (3) Penumbra (4) Black hole

Description : The darkest portion of the shadow cast during an eclipse is– (1) Corona (2) Umbra (3) Penumbra (4) Black hole

Last Answer : (2) Umbra Explanation: The umbra (Latin for "shadow") is the innermost and darkest part of a shadow, where the light source is completely blocked by the occluding body. An observer in the umbra experiences a total eclipse.

Umbra and Penumbra

Description : Umbra and Penumbra

Last Answer : Umbra - area of the shadow of an eclipse, dark center of a sunspot Penumbra - partly lighted area around any shadow

Differentiate between the following pairs. (a) Radiotherapy & Chemotherapy (b) Penumbra & Umbra (c) Springtides & Neaptides (d) Vertebrates &. Invertebrates (e) Fluorescent light & Neon signs

Description : Differentiate between the following pairs. (a) Radiotherapy & Chemotherapy (b) Penumbra & Umbra (c) Springtides & Neaptides (d) Vertebrates &. Invertebrates (e) Fluorescent light & Neon signs

Last Answer : (a) Radiotherapy & Chemotherapy Radiotherapy: Radiation therapy (or radiotherapy) is the medical use of ionizing radiation as part of cancer treatment to control malignant cells. Radiotherapy may be ... Crookes tube), which is a glass tube for demonstrating the principles of electrical discharge.

The darkest portion of the shadow cast during an eclipse is (1) Corona (2) Umbra (3) Penumbra (4) Black hole

Description : The darkest portion of the shadow cast during an eclipse is (1) Corona (2) Umbra (3) Penumbra (4) Black hole

Last Answer : Umbra

What do we call it when the Moon completely blocks out the light from the Sun?

Description : What do we call it when the Moon completely blocks out the light from the Sun?

Last Answer : A SOLAR ECLIPSE

Spring tides occur when : (1) the moon, the sun and the earth are in the same line (2) the sun is closest to earth (3) the moon is farthest from earth (4) the earth is at right angles with the sun and the moon

Description : Spring tides occur when : (1) the moon, the sun and the earth are in the same line (2) the sun is closest to earth (3) the moon is farthest from earth (4) the earth is at right angles with the sun and the moon

Last Answer : (1) the moon, the sun and the earth are in the same line Explanation: The combined tide raising forces of the Moon and the Sun are at their greatest effect when the Sun and the Moon are in line with the Earth. World Geography (Set: 01)

Solar eclipse occurs when – (1) the Moon does not lie on the line joining the Sun and the Earth (2) the Moon comes between the Sun and the Earth (3) the Sun comes between the Moon and the Earth (4) the Earth comes between the Moon and the Sun

Description : Solar eclipse occurs when – (1) the Moon does not lie on the line joining the Sun and the Earth (2) the Moon comes between the Sun and the Earth (3) the Sun comes between the Moon and the Earth (4) the Earth comes between the Moon and the Sun

Last Answer : (2) the Moon comes between the Sun and the Earth Explanation: A solar eclipse is a type of eclipse that occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks ("occults") the Sun. This can happen only at new moon, when the Sun and the Moon are in conjunction.

When does solar eclipse take place? (1) When the sun is between the moon and earth (2) When the earth is between the moon and sun (3) When the moon is between the sun and earth (4) When the moon does not lie on the line joining the sun and earth

Description : When does solar eclipse take place? (1) When the sun is between the moon and earth (2) When the earth is between the moon and sun (3) When the moon is between the sun and earth (4) When the moon does not lie on the line joining the sun and earth

Last Answer : (3) When the moon is between the sun and earth Explanation: A solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can ... moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface.

The tides in the sea are primarily due to – (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth

Description : The tides in the sea are primarily due to – (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth

Last Answer : Explanation: A tide is the periodic rising and falling of Earth's ocean surface caused mainly by the gravitational pull of the Moon acting on the oceans. The height of tides varies somewhat with the phases ... higher because the Sun's tidal force adds to the Moon's. This is called "spring tide".

Tides in the sea are caused by – (1) effect of Sun (2) effect of Moon (3) eombined effect of Moon and Sun (4) gravitational force of Earth and Sun

Description : Tides in the sea are caused by – (1) effect of Sun (2) effect of Moon (3) eombined effect of Moon and Sun (4) gravitational force of Earth and Sun

Last Answer : (3) eombined effect of Moon and Sun Explanation: Tide-generating forces (TGF) are a result of the gravitational attraction between the earth, the sun, and the moon and the centrifugal force due to the relative motions of the moon around the earth, and the earth around the sun.

When does the moon come between the Sun and earth? (1) Lunar eclipse (2) Solar eclipse (3) Sidereal day (4) Full moon day

Description : When does the moon come between the Sun and earth? (1) Lunar eclipse (2) Solar eclipse (3) Sidereal day (4) Full moon day

Last Answer : (2) Solar eclipse Explanation: As seen from the Earth, a solar eclipse occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun. This can happen only ... is fully obscured by the Moon. In partial and annular eclipses only part of the Sun is obscured.

What is meant by the term "mid-night sun"? (1) Twilight (2) Rising Sun (3) Very bright moon (4) Sun shining in the polar circle for long time

Description : What is meant by the term "mid-night sun"? (1) Twilight (2) Rising Sun (3) Very bright moon (4) Sun shining in the polar circle for long time

Last Answer : (4) Sun shining in the polar circle for long time Explanation: The midnight sun is a natural phenomenon occurring in summer months at places north of the Arctic Circle and south of the ... with potential midnight sun increases the farther towards either pole one goes. Physical Geography (Set: 06)

Tides are caused by the gravitational pull of the – (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth

Description : Tides are caused by the gravitational pull of the – (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth

Last Answer : (3) Sun and Moon on the Earth Explanation: Tide-generating forces (TGF) are a result of the gravitational attraction between the earth, the sun, and the moon and the centrifugal force ... 's surface creates a horizontal force directed towards the surface points closest and farthest from the moon.

What can emit an umbra on the earth, provide phosphorescence for all it's creatures. All while altering the visual surface of itself within phases? -Riddles

Description : What can emit an umbra on the earth, provide phosphorescence for all it's creatures. All while altering the visual surface of itself within phases? -Riddles

Last Answer : The moon.

Read the following statements and choose the correct rect option. (A) Only a point source forms a complete umbra. (B) An extended source of light form

Description : Read the following statements and choose the correct rect option. (A) Only a point source forms a complete umbra. (B) An extended source of light form

Last Answer : Read the following statements and choose the correct rect option. (A) Only a point source forms a complete ... B are true D. Both A and B are false

If you are in the umbra of an eclipse what will you see?

Description : If you are in the umbra of an eclipse what will you see?

Last Answer : What is the answer ?

Which of the following rivers of the Indian sub-continent covers the longest distance from its source to the sea into which it drains? (a) Indus (b) Godavari (c) Ganga (d) Brahmaputra

Description : Which of the following rivers of the Indian sub-continent covers the longest distance from its source to the sea into which it drains? (a) Indus (b) Godavari (c) Ganga (d) Brahmaputra

Last Answer : Ans: (c)

Which one of the following types of forest covers the maximum area in India? [NDA 2001] (a) Tropical rain forest (b) Tropical moist deciduous forest (c) Tropical dry deciduous forest (d) Tropical dry evergreen forest

Description : Which one of the following types of forest covers the maximum area in India? [NDA 2001] (a) Tropical rain forest (b) Tropical moist deciduous forest (c) Tropical dry deciduous forest (d) Tropical dry evergreen forest

Last Answer : Ans: (b)

India is the seventh largest country in the world and it covers a total area of approximately: [Railway 2012] (a) 2700000 sq. km (b) 3000000 sq. km (c) 3200000 sq. km (d) 3600000 sq. km

Description : India is the seventh largest country in the world and it covers a total area of approximately: [Railway 2012] (a) 2700000 sq. km (b) 3000000 sq. km (c) 3200000 sq. km (d) 3600000 sq. km

Last Answer : Ans: (c)

Which of the following refers to the white salt which covers the land in some areas during dry season? (1) usar (2) reh (3) erg (4) reg

Description : Which of the following refers to the white salt which covers the land in some areas during dry season? (1) usar (2) reh (3) erg (4) reg

Last Answer : (2) reh Explanation: Reh refers to a mixture of soluble sodium salts appearing as efflorescence on the ground in arid or semiarid regions in India. It covers the land in the form of a white layer. It is also known as Kallar.

The largest forest which covers 25 percent of the world's forest land is : (1) The Tropical Rain forest (2) Taiga forest of Siberia (3) Monsoon forest (4) Temperate forests of Europe

Description : The largest forest which covers 25 percent of the world's forest land is : (1) The Tropical Rain forest (2) Taiga forest of Siberia (3) Monsoon forest (4) Temperate forests of Europe

Last Answer : (2) Taiga forest of Siberia Explanation: Taiga is the world's largest land biome. It makes up 29% of the world's forest cover. Also known as boreal forest or snow forest, it is ... consisting mostly of pines, spruces and larches. The largest areas of Taiga are located in Russia and Canada.

Which country is known as ‘Land of Midnight Sun’? (1) Sweden (2) Norway (3) Germany (4) Finland

Description : Which country is known as ‘Land of Midnight Sun’? (1) Sweden (2) Norway (3) Germany (4) Finland

Last Answer : (2) Norway Explanation: Norway is called the Land of the Midnight Sun because the sun never dips entirely below the horizon between late May and late July. During the summer months, areas located ... during the time of the mid-night sun, but experience long periods of darkness during the winter.

The large collection of Stars, dust and gas held together by gravitational attraction between components is known as - (1) Cluster (2) Atmosphere (3) Galaxy (4) Sun Family

Description : The large collection of Stars, dust and gas held together by gravitational attraction between components is known as - (1) Cluster (2) Atmosphere (3) Galaxy (4) Sun Family

Last Answer : (3) Galaxy Explanation: The term galaxy refers to a large collection of stars, dust, and gas clouds which are held together by gravitational attraction.

Consider the following statements: 1. Gondwana coal is a laminated, bituminous coal. . 2. Gondwana coal is completely free from moisture, sulphur and phosphorus. Which of the statements given above is/are correct? [IAS 2008] (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

Description : Consider the following statements: 1. Gondwana coal is a laminated, bituminous coal. . 2. Gondwana coal is completely free from moisture, sulphur and phosphorus. Which of the statements given above is/are correct? [IAS 2008] (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

Last Answer : Ans: (a)

Which of the following is not a part of solar system ? (1) Asteroids (2) Meteors (3) Moon (4) None of the above

Description : Which of the following is not a part of solar system ? (1) Asteroids (2) Meteors (3) Moon (4) None of the above

Last Answer : (4) None of the above Explanation: Our solar system consists of the Sun, the planets Mercuty, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. It includes : the satellites of the planets; numerous comets, asteroids, and meteoroids; and the interplanetary medium.

Spring tides occur on – (1) New moon day only (2) Full moon day as well as on new moon day (3) Full moon day only (4) The day the moon's position moon's position is in its first quarter

Description : Spring tides occur on – (1) New moon day only (2) Full moon day as well as on new moon day (3) Full moon day only (4) The day the moon's position moon's position is in its first quarter

Last Answer : (2) Full moon day as well as on new moon day Explanation: Spring Tides refer to either of the two tides that occur at or just after new moon and full moon when the tide-generating ... greatest rise and fall in tidal level. The highest spring titles (equinoctial springs) occur at the equinoxes.

The moon is showing its same face to the earth because – (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution

Description : The moon is showing its same face to the earth because – (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution

Last Answer : (3) Its periods of rotation and revolution are the same Explanation: Because it is "tidally-locked" to the Earth. The Earth's gravity slows down the moon's rotation, so that it rotates at the same ... who walks around a center pole, but shifts their body so they are always facing it as they walk.

Which one of the following planets has no moon? (1) Mars (2) Neptune (3) Mercury (4) Pluto

Description : Which one of the following planets has no moon? (1) Mars (2) Neptune (3) Mercury (4) Pluto

Last Answer : (3) Mercury Explanation:Mercury and Venus are the only two recognized planets in our solar system without moons. However, there are many, many planets in the universe and a significant portion ... of at least a significant portion of the universe's planetary systems likely have no moons.

What is the formula for how far a planet has to be from its sun to have a moon?

Description : What is the formula for how far a planet has to be from its sun to have a moon?

Last Answer : How do you know that? Last I read, there was not even any particularly prevalent theory about why Mercury and Venus have no moons. So unless there's something new, I don't think it's true ... increased traffic closer to the sun having been more likely to disrupt moons closer in). So, no formula.

What is the event called when the sun moves between the Earth and the Moon?

Description : What is the event called when the sun moves between the Earth and the Moon?

Last Answer : Earthen eclipse

Where is that sun-moon compatibility calculator?

Description : Where is that sun-moon compatibility calculator?

Last Answer : answer:Search in cafeastrology.com They’ve got a lot of free stuff.

What would be my personality description of having a Pisces Sun, a Libra Moon, and a Scorpio Ascendent or Rising? And (seperately) including that I'm a Pisces/ Dog?

Description : What would be my personality description of having a Pisces Sun, a Libra Moon, and a Scorpio Ascendent or Rising? And (seperately) including that I'm a Pisces/ Dog?

Last Answer : Probably doesn’t mean anything, you are who you are and that stuff probably doesn’t affect that.

This thing devours all things. All man, all beasts, all flowers and trees. Even the fiery sun, and the shadowy moon, will one day be devoured by this thing. Stone it grinds, metal it bites. And it shall make wood rot. Is it powerful? Well it is rather not, but it kills powerful things a lot. Its immortal yet it is not some type of god. What is it? -Riddles

Description : This thing devours all things. All man, all beasts, all flowers and trees. Even the fiery sun, and the shadowy moon, will one day be devoured by this thing. Stone it grinds, metal it bites. And it ... kills powerful things a lot. Its immortal yet it is not some type of god. What is it? -Riddles

Last Answer : Time.

How does Transfer of heat energy from the sun to the moon take place? -Do You Know?

Description : How does Transfer of heat energy from the sun to the moon take place? -Do You Know?

Last Answer : answer:

A lunar eclipse occurs when the Earth comes between the Sun and the Moon. -General Knowledge

Description : A lunar eclipse occurs when the Earth comes between the Sun and the Moon. -General Knowledge

Last Answer : When the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth. When Earth passes directly between Sun and Moon, its shadow creates a lunar eclipse. Lunar eclipses can only ... the Moon is opposite the Sun in the sky, a monthly occurrence we know as a full Moon.

A lunar eclipse occurs when the Earth comes between the Sun and the Moon. -General Knowledge

Description : A lunar eclipse occurs when the Earth comes between the Sun and the Moon. -General Knowledge

Last Answer : When the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth. When Earth passes directly between Sun and Moon, its shadow creates a lunar eclipse. Lunar eclipses can only ... the Moon is opposite the Sun in the sky, a monthly occurrence we know as a full Moon.

At which direction does the moon orbit the sun?

Description : At which direction does the moon orbit the sun?

Last Answer : half

If the earth, sun and the moon were the only planets, what would happen?

Description : If the earth, sun and the moon were the only planets, what would happen?

Last Answer : Every one will die from asteroids.

What is the force of attraction between Moon and Sun ?

Description : What is the force of attraction between Moon and Sun ?

Last Answer : The "gravitational" force of gravity acts between the moon and the sun.

Why do moon and sun look the same ?

Description : Why do moon and sun look the same ?

Last Answer : The moon is many times smaller than the sun. But looking at the moon, it looks like the sun. The sun is much farther away from the earth than the moon, which makes the moon and the sun look alike.

Why do we think sun and moon are going with us when we walk ?

Description : Why do we think sun and moon are going with us when we walk ?

Last Answer : Because the moon and the sun are far away from the earth. You must have seen that if a motorbike passes right in front of you, it looks like it is going very fast. Suppose the motorcycle is passing 5 feet away from ... close to 0. So we will think that the sun and moon are moving with us

The color of the sun is white but because of the atmosphere of the earth we see red, then why do we see the moon white ?

Description : The color of the sun is white but because of the atmosphere of the earth we see red, then why do we see the moon white ?

Last Answer : Answer : The sun has its own light. The sun is actually a huge gas drop. Besides, the sun is far away from us. But the light of the sun is so intense that we can see very well from here. The range ... no light of its own. The light of the sun is reflected on it later. So it looks bright or white.

Why the Sun is so hot and the moon is cool?

Description : Why the Sun is so hot and the moon is cool?

Last Answer : I will compare some points which can be easy to understand why sun is hot? The sun is not isn't different from you just like gravity hold you down, gravity holds the sun together gravity continually ... claim, they deny the science, they do not change claim so that how we got to cold moonlight.

Why is the angle of the orbit (tilt) the moon uses to revolve around the sun?

Description : Why is the angle of the orbit (tilt) the moon uses to revolve around the sun?

Last Answer : The orbit of the moon around the sun is a wiggle around theEarth's orbit - because the moon is locked into the Earth'sgravitational grasp.The angle of the moon's orbit around the Earth was set by thecollision that formed the moon.

How do the sun and moon relate to the four seasons?

Description : How do the sun and moon relate to the four seasons?

Last Answer : Need answer

What shape are the Earth Sun and Moon?

Description : What shape are the Earth Sun and Moon?

Last Answer : The Sun Moon and Earth are all three oblate spheroids.

What happens when the moon travels between the earth and the sun causing the sun to become obscured from the view?

Description : What happens when the moon travels between the earth and the sun causing the sun to become obscured from the view?

Last Answer : This is known as a "solar eclipse." The Moon partially orcompletely covers the Sun, leading to a rapidly moving shadowacross the sunlit face of the Earth.