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 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 : i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the vector i + j and i - j?
Last Answer : i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the ... directions of (i + j) and (i - j)?
Description : If A = i + 2j + 3k and B = 3i - 2j + k, then the area of parallelogram formed from these vectors as the adjacent sides will be
Last Answer : If A = i + 2j + 3k and B = 3i - 2j + k, then the area of parallelogram formed from these ... units (C) 6√3 square units (D) 8√3 square units
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 : The minimum number of numerically equal vectors whose vector sum can be zero is
Last Answer : The minimum number of numerically equal vectors whose vector sum can be zero is (A) 4 (B) 3 (C) 2 (D) 1
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 : 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 : 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 : 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 : 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 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 : 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 : If the volume of a sphere is numerically equal to its surface area, then find the diameter of the sphere. -Maths 9th
Last Answer : Let r be the radius of the sphere. and Volume of a sphere = surface area of the sphere ⇒ 4 / 3πr3 = 4πr2 ⇒ r = 3 cm ∴ Diameter of the sphere = 2r = 2 × 3 = 6 cm
Description : The volume of a cube is numerically equal to sum of its edges. What is the total surface area in square units ? -Maths 9th
Last Answer : answer:
Description : Surface energy per unit area of a surface is numerically equal to (A) Atmospheric pressure (B) Surface tension (C) Force of adhesion (D) Force of cohesion
Last Answer : Answer: Option B
Description : The diagonal of the parallelogram made by two vectors as adjacent sides is not passing through common point of two vectors. What does it represent?
Last Answer : The diagonal of the parallelogram made by two vectors as adjacent sides is not passing through common point of two vectors. What does it represent?
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 : 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 : 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 : 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 : 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 : What minimum number of non-zero non-collinear vectors is required to produce a zero vector? -General Knowledge
Last Answer : The answer is '3'
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 : 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 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 : If the sum of the roots of a quadratic equation, is positive and product of the roots is negative, the numerically greater root has `"_____"` sign. [p
Last Answer : If the sum of the roots of a quadratic equation, is positive and product of the roots is negative, ... root has `"_____"` sign. [positive/negative]
Description : The Michaelis constant, Km is (A) Numerically equal to ½ Vmax (B) Dependent on the enzyme concentration (C) Independent of pH (D) Numerically equal to the substrate concentration that gives half maximal velocity
Last Answer : Answer : D
Description : At what loudness level do pitch (in mels) and frequency (in Hz) are numerically equal? A. 0 dB B. 20 dB C. 60 dB D. 40 dB
Last Answer : D. 40 dB
Description : HETP is numerically equal to HTU, only when the operating line (A) Lies below the equilibrium line (B) Lies above the equilibrium line (C) And equilibrium lines are parallel (D) Is far from the equilibrium line
Last Answer : (C) And equilibrium lines are parallel
Description : The activity of an ideal gas is numerically __________ its pressure. (A) More than (B) Less than (C) Equal to (D) Data insufficient, can't be predicted
Last Answer : (C) Equal to
Description : Fugacity and pressure are numerically not equal for the gases (A) At low temperature and high pressure (B) At standard state (C) Both (A) and (B) (D) In ideal state
Last Answer : (C) Both (A) and (B)
Description : Fugacity and pressure are numerically equal, when the gas is (A) In standard state (B) At high pressure (C) At low temperature (D) In ideal state
Last Answer : (D) In ideal state
Description : 19. The density of a liquid in kg/m3 is numerically equal to its specific gravity. A) True B) False
Last Answer : A
Description : What is parallelogram law of vector addition?
Last Answer : Need answer
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 : Find the vector drawn from the point (-4, 10, 7) to the point (3, -2, 1). Also find its magnitude.
Last Answer : Find the vector drawn from the point (-4, 10, 7) to the point (3, -2, 1). Also find its magnitude.
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 : Find a vector which is parallel to vector v = i - 2j and has a magnitude 10.
Last Answer : Find a vector which is parallel to vector v = i - 2j and has a magnitude 10.
Description : What is the magnitude of the vector 15 ft s down?
Last Answer : 15 ft/s
Description : A vector is a quantity with magnitude and blank?
Last Answer : Apex- direction
Description : A vector is a quantity with magnitude and ___?
Last Answer : A vector is described by magnitude and direction (a scalar has only magnitude).