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Standard VI

Physics

Asteroid

The bright st...

Question

The bright star like objects with a long tail approaching the Sun in a highly elliptical orbit is called:

1km

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3km

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8km

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0km

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Solution

The correct option is A
1km

A comet is a celestial object that orbits the Sun along an elongated path.

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Similar questions

Q. Two planets of equal masses, orbit a much more massive star. Planet

m_{1}

moves in a circular orbit of radius

1 \times 10^{8} km

with a period of

2 years

and planet

m_{2}

moves in an elliptical orbit with closest distance

r_{1} = 1 \times 10^{8} km

and farthest distance

r_{2} = 1.8 \times 10^{8} km

, as shown:

What is the mass of the star? (Take

G = \frac{20}{3} \times 10^{- 11} {N m}^{2} {kg}^{- 2} and π^{2} \approx 10

)

Q. Two planets of equal masses orbit a massive star. Planet

m_{1}

moves in a circular orbit of radius

1 \times 10^{8} km

with a period of

2 years

and planet

m_{2}

moves in an elliptical orbit with closest distance

r_{1} = 1 \times 10^{8} km

and farthest distance

r_{2} = 1.8 \times 10^{8} km

, as shown:

Using the fact that the mean radius of an elliptical orbit is the length of the semi-major axis, find the period of

m_{2}

's orbit.

Q. A long tail boat can travel 10 km in 1 hour. How far will the boat reach in 10 hours?

Imagine, a comet is seen passing Uranus. The length of its tail was measured to be 3 km. What can be the possible length of its tail when it passes by Earth?

Type of boat	Speed of boat
Log boat	4 km per hour
Long tail boat	12 km per hour
Motor boat	20 km per hour
Machine boat	22 km per hour

If a long tail boat and a motor boat travels 60 km. How much more time would the long tail boat take than the motor boat?

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The bright star like objects with a long tail approaching the Sun in a highly elliptical orbit is called:

The correct option is A 1km A comet is a celestial object that orbits the Sun along an elongated path.

The correct option is A
1km

A comet is a celestial object that orbits the Sun along an elongated path.