Description : The magnitude of vector product of two unit vectors making an angle of 60° with each other is
Last Answer : The magnitude of vector product of two unit vectors making an angle of 60° with each other is (A) 1 (B) 2 (C) 3/2 (D) √3/2
Description : P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x Q.
Last Answer : P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x ... find the vector perpendicular to P and Q of magnitude 6 units.
Description : Show that magnitude of vector product of two vectors is numerically equal to the area of a parallelogram formed by the two vectors.
Last Answer : Show that magnitude of vector product of two vectors is numerically equal to the area of a parallelogram formed by the two vectors.
Description : If vectors v1 = 3i + 4j + k and v2 = i - j - k, determine the magnitude of v1 + v2.
Last Answer : If vectors v1 = 3i + 4j + k and v2 = i - j - k, determine the magnitude of v1 + v2.
Description : Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.
Last Answer : Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.
Description : A long straight wire along the `z`- axis carries a current ` I` in the negative ` z- direction` . The magnetic vector field ` vec(B)` at a point havin
Last Answer : A long straight wire along the `z`- axis carries a current ` I` in the negative ` z- direction` . The magnetic ... -yhat(j)))/(2pi(x^(2)+y^(2)))`
Description : Two vectors are said to be equal if – (1) only their magnitudes are same (2) only their directions are same (3) both magnitude and direction are same (4) magnitudes are same but directions are opposite
Last Answer : (3) both magnitude and direction are same Explanation: If the magnitude as well as direction of two vectors are equal, then they are known as equal vectors. In other words, two vectors are ... headed towards the same direction. For two equal vectors, their directed line segments must be parallel.
Description : Two vectors are said to be equal if (1) only their magnitudes are same (2) only their directions are same (3) both magnitude and direction are same (4) magnitudes are same but directions are opposite
Last Answer : both magnitude and direction are same
Description : A rectangular loop consists of N closed wrapped turns and has dimendions `a xx b`. The loop is hinged along the Y-axis. What is the magnitude of the t
Last Answer : A rectangular loop consists of N closed wrapped turns and has dimendions `a xx b`. The loop is hinged along the Y- ... . `(-2Ni_(0)abB_(0)hat(j))/(5)`
Description : The magnitude of scalar product of two unit vectors perpendicular to each other is
Last Answer : The magnitude of scalar product of two unit vectors perpendicular to each other is (A) zero (B) 1 (C) -1 (D) 2
Description : Two infinitely long, thin, insulated, straight wires lie in the x-y plane along the x- and y- axis respectively. Each wire carries a current I, respec
Last Answer : Two infinitely long, thin, insulated, straight wires lie in the x-y plane along the x- and y- axis respectively. Each ... x C. y = x-1 D. y = -x+1
Description : The vectors of the electromagnetic wave propagation can be expressed in a) Dot product b) Cross product c) Unit vector d) Perpendicular vector
Last Answer : b) Cross product
Description : The vectors `vec(a)=(2-x)hat(i)+2 hat(j)+2hat(k)," "vec(b) = 2hat(i)+(2-y)hat(j)+2hat(k)," "vec(c)=2hat(i)+2hat(j)+(2-z)hat(k) and vec(d) = hat(i) +ha
Last Answer : The vectors `vec(a)=(2-x)hat(i)+2 hat(j)+2hat(k)," "vec(b) = 2hat(i)+(2-y)hat(j)+2hat(k)," "vec(c)=2hat(i)+ ... ` D. ` 1/(x-2)+ 1/(y-2)+ 1/(z- 2) = 1`
Description : A proton is moving along the negative direction of X-axis in a magnetic field directed along the positive direction of Y-axis. The proton will be defl
Last Answer : A proton is moving along the negative direction of X-axis in a magnetic field directed along the positive ... Y-axis C. Z-axis D. None of these
Description : An ELECTRON moving horizontally along the +x axis enters a region of space with a horizontal uniform magnetic field pointing in the +y direction. The electron will be deflected: w) -y direction x) +y direction y) -z direction z) +z direction
Last Answer : ANSWER: Y -- -Z DIRECTION
Description : State and prove parallelogram law of vector addition and determine magnitude and direction of resultant vector.
Last Answer : State and prove parallelogram law of vector addition and determine magnitude and direction of resultant vector.
Description : A vector has both magnitude and direction. Does it mean that anything that has magnitude and direction is necessarily a vector?
Last Answer : A vector has both magnitude and direction. Does it mean that anything that has magnitude and direction is necessarily a vector?
Description : A vector quantity is one which has A. direction as well as magnitude B. magnitude only C. direction only D. no direction, no magnitude
Last Answer : direction as well as magnitude
Description : The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as (A) One dimensional flow (B) Uniform flow (C) Steady flow (D) Turbulent flow
Last Answer : Answer: Option B
Description : Quantities that describe both magnitude & direction a. Physical Quantity b. Scalar Quantity c. Vector Quantity d. None of the above
Last Answer : Vector Quantity
Description : In homogeneous coordinates value of ‘h’ is consider as 1 & it is called….. a.Magnitude Vector b.Unit Vector c.Non-Zero Vector d.Non-Zero Scalar Factor
Last Answer : d.Non-Zero Scalar Factor
Description : If vectors A = B + C and magnitudes of A, B and C are 5, 4 and 3 unit respectively, then angle between A and B is
Last Answer : If vectors A = B + C and magnitudes of A, B and C are 5, 4 and 3 unit respectively, then angle between A and B ... (C) tan-1 (5/3) (D) cos-1 (3/5)
Description : The magnitude of scalar product of the vectors A = 2i + 5k and B = 3i + 4k is
Last Answer : The magnitude of scalar product of the vectors A = 2i + 5k and B = 3i + 4k is (A) 20 (B) 22 (C) 26 (D) 29
Description : The resultant of two vectors of magnitude |P| is also |P|. They act at an angle
Last Answer : The resultant of two vectors of magnitude |P| is also |P|. They act at an angle (A) 60° (B) 90° (C) 120° (D) 180°
Description : Whether the resultant of two vectors of unequal magnitude be zero?
Last Answer : Whether the resultant of two vectors of unequal magnitude be zero?
Description : When is the magnitude of the sum of vectors A+B greater than that of A-BWhen is the magnitude of A-B greater than that of A+B?
Last Answer : none
Description : Find the magnetic flux density of the material with magnetic vector potential A = y i + z j + x k. a) i + j + k b) –i – j – k c) –i-j d) –i-k
Last Answer : b) –i – j – k
Description : Find the divergence of the vector F= xe -x i + y j – xz k a) (1 – x)(1 + e -x ) b) (x – 1)(1 + e -x ) c) (1 – x)(1 – e) d) (x – 1)(1 – e)
Last Answer : a) (1 – x)(1 + e -x )
Description : If A = 2i - j + k and B = i + 2j - k are two vectors, find |A x B|.
Last Answer : If A = 2i - j + k and B = i + 2j - k are two vectors, find |A x B|.
Description : A particle of mass M moves towards right with a velocity 2 V along the x-axis and another of mass 2 M with a velocity V towards left (- x axis). After the collision (they stick together on colliging) ... a.come to rest b.107 dynes c.move towards right d.may move in any direction e.move towards left
Last Answer : c. move towards right
Description : What minimum number of non-zero non-collinear vectors is required to produce a zero vector? -General Knowledge
Last Answer : The answer is '3'
Last Answer : answer:
Description : The equation vectors a + a = a is (A) meaningless (B) always true (C) may he possible for limited values of a’ (D) true only when vector a = 0
Last Answer : The equation vectors a + a = a is (A) meaningless (B) always true (C) may he possible for limited values of a’ (D) true only when vector a = 0
Description : State the characteristics of the vector product (cross product) of two vectors.
Last Answer : State the characteristics of the vector product (cross product) of two vectors.
Description : Define and explain vector product of two vectors with suitable examples.
Last Answer : Define and explain vector product of two vectors with suitable examples.
Description : Explain, how two vectors are subtracted. Find their resultant by using triangle law of vector addition.
Last Answer : Explain, how two vectors are subtracted. Find their resultant by using triangle law of vector addition.
Description : Using triangle law of vector addition, explain the process of adding two vectors which are not lying in a straight line.
Last Answer : Using triangle law of vector addition, explain the process of adding two vectors which are not lying in a straight line.
Description : Define and explain the following terms: i. Zero vector (Null vector) ii. Resultant vector iii. Negative vectors iv. Equal vectors
Last Answer : Define and explain the following terms: i. Zero vector (Null vector) ii. Resultant vector ... vectors iv. Equal vectors v. Position vector
Description : What minimum number of non-zero non-collinear vectors is required to produce a zero vector?
Last Answer : 3
Description : In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these ... ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)
Last Answer : (d) (ii) and (iv)
Description : The vector product of two vectors is given by area of the parallelogram. State True/False. a) True b) False
Last Answer : a) True
Description : The dot product of two vectors is a scalar. The cross product of two vectors is a vector. State True/False. a) True b) Fals
Description : The primary North American vector transmitting arthropodborne virus encephalitis is the a) mosquito Arthropod vectors transmit several types of viruses that cause encephalitis. The primary vector in North America is ... the mosquito. d) flea. The primary vector in North America is the mosquito.
Last Answer : a) mosquito Arthropod vectors transmit several types of viruses that cause encephalitis. The primary vector in North America is the mosquito.
Description : The expression 1/√2 (i + j) is a (A) unit vector (B) null vector (C) vector of magnitude (D) scalar
Last Answer : The expression 1/√2 (i + j) is a (A) unit vector (B) null vector (C) vector of magnitude √2 (D) scalar
Description : Show that vector A = (i - j)/√2 is a unit vector.
Last Answer : Show that \(\vec{A} = \frac{\hat{i} - \hat{j}}{\sqrt{2}}\) is a unit vector. vector A = (i - j)/√2
Description : The unit vector to the points p1(0,1,0), p2(1,0,1), p3(0,0,1) is a) (-j – k)/1.414 b) (-i – k)/1.414 c) (-i – j)/1.414 d) (-i – j – k)/1.414
Last Answer : a) (-j – k)/1.414
Description : Two straight infinitely long current carrying wires are kept along Z-axis at the coordinates (0,a,0) and (0, -a, 0) respectively, as shown in the figu
Last Answer : Two straight infinitely long current carrying wires are kept along Z-axis at the coordinates (0,a,0) and ... the X-axis will be approximately B. C. D.
Description : You are sitting in a frictionless barber chair. The barber decides to have some fun with you, so he spins the chair. As you spin, you find that you can slow down by extending your ... increased your angular momentum y) increased your moment of inertia z) changed the direction of the momentum vector
Last Answer : ANSWER: Y --INCREASED YOUR MOMENT OF INERTIA
Description : For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is: w) tangent to the path of motion x) equal to zero y) directed radially outward z) directed radially inward
Last Answer : ANSWER: Z -- DIRECTED RADIALLY INWARD