Q. “Sirius”, the brightest star outside of the Solar System, is also called ________.

Answer

Correct Answer : Dog star

Q. A black hole is a ________

Answer

Correct Answer : Contracted star with intense gravitational pull

Q. Among the following which planet takes maximum time for one revolution around the Sun?

Answer

Correct Answer : Jupiter

Q. Asteroids have their orbits between the planets ________

Answer

Correct Answer : Mars and Jupiter

Q. Comets are celestial bodies moving about the solar system in

Answer

Correct Answer : Elliptical orbits usually accompanied by a long shining tail

Q. Comets moves around the

Answer

Correct Answer : Sun

Q. Comets revolve around ________

Answer

Correct Answer : Sun

Q. Consider the following astral bodies: 1. Sirius 2. Venus 3. Mars The correct sequence in decreasing order of their brightness is:

Answer

Correct Answer : 2, 1, 2003

Q. Consider the following statements: 1. The albedo of an object determines its visual brightness when viewed with reflected light. 2. The albedo of Mercury is much greater than the albedo of the Earth. Which of the statements given above is/are correct?

Answer

Correct Answer : 1 only

Q. Foucault experiment is proof of which one of the following?

Answer

Correct Answer : Rotation of Earth