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प्रश्न
Figure shows comets without their tail. Show the tails of the comets at positions A, B, and C. In which position will the tail be longest?
उत्तर
The tail of the comet is always directed away from the Sun.
The tail will be longest in the position B because the tail is visible only when the comet passes through the inner solar system and B is the nearest point.
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संबंधित प्रश्न
Match items in column A with one or more items in column B.
| A | B | ||
| 1 | Inner planets | a | Saturn |
| 2 | Outer planets | b | Pole star |
| 3 | Constellation | c | Great Bear |
| 4 | Satellite of the Earth | d | Moon |
| e | Earth | ||
| f | Orion | ||
| g | Mars |
Choose the correct option to complete the statement given below:
Which of these was a planet till 2006 but is now a “dwarf planet”?
What is the shape of the orbits in which planets revolve around the sun?
Look at the picture of the solar system and answer the following question.
At what position is the earth from the sun?
The word planet means ____________.
What is perihelion?
State whether true or false. If false, correct the statement.
Mars is called the red planet.
The Sun and the Celestial bodies revolving around it form the ______.
As the distance of the planet from the sun increases, the period of revolution ______.
Assertion: Earth appears bluish-green.
Reason: This is due to the reflection of light from water and land mass on its surface.
