1. . The value of universal gravitational constant G is:
(A) 1.6 × 10⁻¹¹ Coulomb
(B) 6.2 × 10⁻¹¹ N·m²/kg²
(C) 9.1 × 10⁻³¹ kg²
(D) 10 N
2. . The unit of force in C.G.S system is:
(A) Newton
(B) Erg
(C) Dyne
(D) Pound
3. . A satellite can cover the area on earth:
(A) 35%
(B) 30%
(C) 25%
(D) 40%
4. . A synchronous satellite can complete its cycle around the earth in:
(A) 24 hours
(B) 12 hours
(C) 36 hours
(D) 48 hours
5. . The communication system of a satellite is like:
(A) Ultraviolet rays
(B) X–rays
(C) ϒ–rays
(D) Microwave repeater