T4Tutorials .PK

ARTIFICIAL SATELLITES MCQs

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




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