Work done upon a body ______. (1) only a vector quantity (2) only a scalar quantity (3) both vector and scalar (4) neither vector nor scalar

1 Answer

Answer :

(2) only a scalar quantity

Related questions

Description : Stress can be defined as ______ quantity. (1) Scalar (2) Vector (3) Phasor (4) Tensor

Last Answer : (4) Tensor Explanation: Stress is defined as Resisting force per unit area of an element, on which load is applied. Stress is always perpendicular to a cross-section in the element. ... vector addition). It is a tensor quantity because it describes things happening in two directions simultaneously.

Description : As defined in physics, work is: w) a scalar quantity x) always a positive quantity y) a vector quantity z) always zero

Last Answer : ANSWER: W -- A SCALAR QUANTITY

Description : Displacement is a A. scalar quantity B. vector quantity C. base quantity D. derived quantity

Last Answer : vector quantity

Description : Stress can be defined as _____ quantity. (1) Scalar (2) Vector (3) Phasor (4) Tensor

Last Answer : Tensor

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 : is upthrust a scalar or vector quantity?

Last Answer : You've already told us its direction. As soon asyou tell us its magnitude, we'll have a vector.

Description : Why vector quantity cannot be subtracted and added like scalar?

Last Answer : Mainly because they aren't scalar quantities.A vector in the plane has two components, an x-component and ay-component. If you have the x and y components for each vector,you can add ... istheir lengths.Similarly, a vector in space has three components; you can addeach of the components separately.

Description : What is vector quantity and what is scalar quantity?

Last Answer : Vector quantity A quantity, which has both the direction and magnitude is said to be a vector quantity. Examples are force, emf, current etc. Scalar quantity A scalar quantity is that, which has only magnitude but no direction. Examples are temperature, mass, volume etc.

Description : The magnetic vector potential is a scalar quantity. a) True b) False

Last Answer : b) False

Description : Which is true:  a. Energy is a scalar quantity  b. Energy is a vector quantity  c. Energy is vector & scalar  d. None of the above

Last Answer : Energy is a scalar quantity

Description : The electric intensity is a: (a) Scalar quantity (b) Vector quantity (c) Physical quantity (d) None of above

Last Answer : (b) Vector quantity

Description : Define Scalar and Vector quantity. 

Last Answer : Scalar Quantity: A physical quantity having only magnitude but no direction is called as scalar quantity Vector Quantity: A physical quantity having both magnitude as well as direction is called as vector quantity. 

Description : Quality of transmission depends upon (1) Nature of signal only (2) Nature of medium only (3) Both (1) and (2) (4) Neither A nor B

Last Answer : (3) Both (1) and (2) Explanation: Quality of transmission is governed both by nature of signal and nature of communication channel/medium.

Description : Which among the following is false about work? (1) If displacement is zero, work is zero (2) Work done can be negative (3) It is a vector quantity (4) Its unit is Joule

Last Answer : (3) It is a vector quantity Explanation: Vector, in physics, a quantity that has both magnitude and direction. For example, displacement, velocity, and acceleration are vector quantities, while speed (the magnitude of velocity), time, and mass are scalars.

Description : Which of the following is a scalar quantity? (1) Velocity (2) Force (3) Angular momentum (4) Electrostatic potential

Last Answer : (3) Angular momentum Explanation: The electrostatic potential at any point in an electric field is defined as the work done in bringing a unit positive charge from infinity to that point against the electric force of the field.

Description : Which of the following is a scalar quantity ? (1) Velocity (2) Force (3) Angular momentum (4) Electrostatic potential

Last Answer : Electrostatic potential

Description : A unit price elastic demand curve will touch - (1) both price and quantity axis (2) neither price axis, nor quantity axis (3) only price axis (4) only quantity axis

Last Answer : (2) neither price axis, nor quantity axis Explanation: Unit elastic refers to an elasticity alternative in which any percentage change in price cause an equal percentage change in quantity. In other ... However, the unit price elastic demand curve does not touch either price axis or quantity axis.

Description : A unit price elastic demand curve will touch (1) both price and quantity axis (2) neither price axis, nor quantity axis (3) only price axis (4) only quantity axis

Last Answer : neither price axis, nor quantity axis

Description : The translation distances (dx, dy) is called as a.Translation vector b.Shift vector c.Both a and b d.Neither a nor b

Last Answer : c.Both a and b

Description : A boy presses a side of a blue pencil to a side of a yellow pencil, holding both pencils vertically. One inch of the pressed side of the blue pencil, measuring from its lower end, is smeared ... in quantity. How many inches of each pencil will be sneared with paint after the tenth move? -Riddles

Last Answer : At the start, 1inch of the yellow pencil gets smeared with wet paint. As the blue pencil is moved downward, a second inch of the blue pencils smears a second inch of the yellow pencil. Each pair ... of moves will smear 5 inches. This together with the initial inch, makes 6 inches for each pencil.

Description : The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by (A) Raising the temperature (B) Lowering the total pressure (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B

Description : The quantity of seepage of water through soils is proportional to (A) Coefficient of permeability of soil (B) Total head loss through the soil (C) Neither (a) nor (b) (D) Both (a) and (b)

Last Answer : Answer: Option D

Description : For a constant volume process __________ by the system is used only to increase the internal energy. (A) Heat absorbed (B) Work done (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (B) Work done

Description : Choose the only scalar quantity from the following: (a) Energy (b) Torque (c) Momentum (d) Force

Last Answer : Ans:(a)

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

Last Answer : scalar Rashih That All Physical Rashike Just The value By Absolutely Revealed To do Go , direction Of instruction Need Not at all Them Scalar The amount Says. Length , mass , speed , work , ... amount Says. Move , velocity , acceleration , force , electricity Intensity Etc. Vector The sign Example

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 : State with reasons, whether the following algebraic operations with scalar and vector physical quantities are meaningful.

Last Answer : State with reasons, whether the following algebraic operations with scalar and vector physical quantities are ... scalars, v. Adding any two vectors.

Description : What is the difference between a scalar and a vector?

Last Answer : What is the difference between a scalar and a vector ?

Description : The curl of a curl of a vector gives a a) Scalar b) Vector c) Zero value d) Non zero value

Last Answer : b) Vector

Description : The divergence of a vector is a scalar. State True/False. a) True b) False

Last Answer : a) True

Description : Which of the following is not true? a) A . (B . C) = scalar value b) A . (B x C) = scalar value c) A x (B . C) = scalar value d) A x (B x C) = vector value

Last Answer : c) A x (B . C) = scalar value

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

Last Answer : a) True

Description : What the difference between vector and scalar quantities is?

Last Answer : A vector has both strength and direction, a scalar quantity can be described using only 1 quantity, magnitude. Example of vector quantities are velocity, acceleration etc. Examples of scalar quantities are time, energy and volume since they only represent magnitude and no direction.

Description : Mu opioids have which of the following effects on respiratory rate: a) Stimulation, then depression Mu opioids also cause bradycardia, hypothermia, and constipation. b) No change Kappa opioids result ... nor kappa, nor delta opoids depress respiratory rate as its only effect upon respiratory rate.

Last Answer : a) Stimulation, then depression Mu opioids also cause bradycardia, hypothermia, and constipation.

Description : The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the (A) Feed material (B) Type of crushing machine (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : Width and speed of a conveyor belt depends upon the __________ of the material. (A) Lump size (B) Bulk density (C) Both (A) & (B) (D) Neither (A) nor (B

Last Answer : (C) Both (A) & (B)

Description : Filtration capacity of a rotary drum vacuum filter depends upon the (A) Cake thickness (B) Characteristics of the feed slurry (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : Thermal conductivity of a conducting solid material depends upon its (A) Temperature (B) Porosity (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : Economy of a multiple effect evaporator depends upon the (A) Heat balance consideration (B) Rate of heat transfer (C) Both (A) and (B) (D) Neither (A) nor (B

Last Answer : (A) Heat balance consideration

Description : Natural draft created by the chimney depends upon (A) Temperature of the flue gas (B) Its height (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : The field capacity of a soil depends upon a. Capillary tension in soil b. Porosity of soil c. Both (a) and (b) d. Neither (a) nor (b)

Last Answer : c. Both (a) and (b)

Description : Natural draught produced by a chimney depends upon the (A) Density of the chimney gases (B) Height of the chimney (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Description : The uniformity of a gas fluidised bed depends upon the __________ of the solid particles. (A) Size (B) Surface properties (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Description : Fluid resistance to shear depends upon its (A) Rate of transfer of molecular momentum (B) Cohesion (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Description : For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption. (A) Physical (B) Chemical (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (B) Chemical

Description : Entropy of an ideal gas depends upon its (A) Pressure (B) Temperature (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : The internal energy of an incompressible fluid depends upon its (A) Pressure (B) Temperature (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (B) Temperature

Description : The heat capacities for the ideal gas state depend upon the (A) Pressure (B) Temperature (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (B) Temperature

Description : Diffusion co-efficient of a metal in a solid solution depends upon its (A) Composition (B) Temperature (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)