National Standard Examination in Astronomy (NSEA) Solved Paper 2016 Part-3

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Q: 7. The angle between the two complex numbers a is

(A) π

(B) 0

(C)

(D)

Answer: (B)

Q: 8. The number of rectangles that can be formed by joining the points of 4 × 4 grid of equispaced points is

(A) 16

(B) 36

(C) 40

(D) 42

Answer: (D)

Q: 9. A train of mass m is moving on a circular track of radius r with constant speed v. The length of the train exactly equal to half the circumference of the circular track Magnitude of is linear momentum is

(A)

(B)

(C)

(D) mv

Answer: (C)

Q: 10. The number of integers a, b, c for which

(A) 2

(B) Infinite

(C) 0

(D) 4

Answer: (C)

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