4141: 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?
(a) Neither 1 nor 2
(b) Both 1 and 2
(c) 2 only
(d) 1 only
4142: A ball bounces higher at high altitudes than in plains. This is because:
(a) The pressure on higher altitudes is lower than that in plains
(b) Downward pull due to gravity is less at higher altitudes
(c) The rarefied air offers less resistance to the ball
(d) You become more energetic at hills, so greater the force applied, higher goes the ball
4143: The correct sequence in decreasing order of the four sugarcane producing States in India is
(a) Maharashtra, U.P., Tamil Nadu, Andhra Pradesh
(b) U.P., Maharashtra, Tamil Nadu, Andhra Pradesh
(c) Maharashtra, U.P., Andhra Pradesh, Tamil Nadu
(d) U.P., Maharashtra, Andhra Pradesh, Tamil Nadu
4144: If the number representing volume and surface area of a cube are equal, then the length of the edge of the cube in terms of the unit of measurement will be
(a) 3
(b) 4
(c) 5
(d) 6
4145: What is the importance of developing Chabahar Port by India?
(a) Indias trade with African countries will enormously increase.
(b) Indias relations with oil-producing Arab countries will be strengthened.
(c) India will not depend on Pakistan for access to Afghanistan and Central Asia.
(d) Pakistan will facilitate and protect the installation of a gas pipeline between Iraq and India.