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566. Which of the following countries was fomerly known as Siam ?
A. Myanmar
B. Surinam
C. Cambodia
D. Thailand
Explanation:
567. Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : When a wheel is in motion, a point (on the rim) which is farthest away from teh ground will have the highest speed while the point (on the rim) closest to the ground will have the lowest speed.Reason (R) : The speed of teh point on teh rim in the direction of motion and along the circumference of the wheel are additive.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
568. Pulakesin II was a contemporary of
A. Samudragupta
B. Ashoka
C. Chandragupta Maurya
D. Harsha
Explanation:
569. In an atomic nucleus, neutrons and protons are held together by
A. gravitational forces
B. magnetic forces
C. exchange forces
D. coulombic forces
Explanation:
570. Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Most of the sounds we hear travel through air, but sound can also travel through solids and liquids.Reason (R) : All sounds are produced due to vibrations.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
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