MCQ
A scalar quantity is one that
  • A
    can never take negative values
  • B
    must be dimensionless
  • C
    does not vary from one point to another in space
  • has the same value for observers with different orientation of axes

Answer

Correct option: D.
has the same value for observers with different orientation of axes
d
Value of scalar is independent of orientation of observer.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A conducting bar $PQ$ of length $l$ carrying current $I$ is suspended from a rigid support as shown in figure. A uniform magnetic field $B$ perpendicular to $PQ$ and directed away from the reader (inside the plane) is applied. If the mass of the bar is $M$ the tension in each string is
The maximum wavelength of radiation that can produce photoelectric effect in a certain metal is $200 nm$. The maximum kinetic energy acquired by electron due to radiation of wavelength $100 nm$ will be .............. $eV$
An electron with an initial speed of $4.0 \times 10^6 \,ms ^{-1}$ is brought to rest by an electric field. The mass and charge of an electron are $9 \times 10^{-31} \,kg$ and $1.6 \times 10^{-19} \,C$, respectively. Identify the correct statement.
A force of $40\, N$ acts on a point $B$ at the end of an $L-$ shaped object, as shown in the figure. The angle $\theta$ that will produce maximum moment of the force about point $A$ is given by
A cubical block of side $L$ rests on a rough horizontal surface with coefficient of friction $\mu $. $A$ horizontal force $ F$ is applied on the block as shown. If the coefficient of friction is sufficiently high so that the block does not slide before toppling, the minimum force required to topple the block is
A ray of light propagates from glass (refractive index $= 3/2$) to water (refractive index $= 4/3$). The value of the critical angle
The total energy of a particle executing $S.H.M.$ is $80 \,J$. What is the potential energy when the particle is at a distance of $\frac{3}{4}$ of amplitude from the mean position..... $J$
A vessel, whose bottom has round holes with diameter of $0.1\,mm$, is filled with water. The maximum height to which the water can be filled without leakage is ....... $cm$ (S.T. of water =$75 \,dyne/cm,  g =1000 \,cm/s^2$)
At two places $ A $ and $B$  using vibration magnetometer, a magnet vibrates in a horizontal plane and its respective periodic time are $2$ $sec$ and $3$ $sec$ and at these places the earth's horizontal components are $H_A$ and $H_B$ respectively. Then the ratio between $H_A$ and $H_B$ will be
A conveyor belt is moving at a constant speed of $2\, m s^{-1}$. A box is gently dropped on it. The coefficient of friction between them is $\mu = 0.5.$ The distance that the box will move relative to belt before coming to rest on it, taking $g = 10\, m s^{-2},$ is $..... m$