Mathematics - II (3110015) MCQs

MCQs of Vector Calculus

Showing 71 to 79 out of 79 Questions
71.
The path traversal in calculating the Green’s theorem is
(a) Inwards
(b) Clockwise
(c) Anticlockwise
(d) Outwards
Answer:

Option (c)

72.
Let C be the boundary of the triangle whose vertices are (0,0), (1,0) and (1,1). Then Cx2y dx+x2 dy= ____________.
(a) 512
(b) 14
(c) -2
(d) -512
Answer:

Option (a)

73.
Let C be the boundary of the region bounded by y=0, y=2x and x+y=3. Then Cx2+2ydx+4x+y2dy=
(a) -2
(b) 9
(c) 6
(d) 0
Answer:

Option (c)

74.
Let A be the area of the plane region R bounded by closed curve C. Then by Green’s theorem 2A= _________.
(a) 12C-y dy+x dx
(b) Cx dy-y dx
(c) Cy dy+x dx
(d) 12C-y dx+x dy
Answer:

Option (b)

75.
By using Green’s theorem, the area of an ellipse x225+y2289=1 is
(a) 80π
(b) 425π
(c) 85π
(d) 75π
Answer:

Option (c)

76.
The form cM dy -N dx =RMx+Nydxdy represents ______________ form of Green’s theorem.
(a) Flux-curl
(b) Tangential
(c) Flux-circulation
(d) Flux-divergence
Answer:

Option (d)

77.
What is the outward flux of a vector field F=x2+2xyi^+y2-2xyj^ across the curve bounded by y=x and y=x2?
(a) 415
(b) 15
(c) 0
(d) -415
Answer:

Option (a)

78.
The form cM dx +N dy=RNx-Mydxdy represents ______________ form of Green’s theorem.
(a) Flux-curl
(b) Tangential
(c) Flux-circulation
(d) Flux-divergence
Answer:

Option (b)

79.
The circulation of Cx+sinydx+x+cosydy around and over the region bounded by the lines y=0, x=1, y=π and x=0 is
(a) 0
(b) 2π
(c) π
(d) -2π
Answer:

Option (c)

Showing 71 to 79 out of 79 Questions