Medium
Read each statement below carefully and state,with reasons and examples,if it is true or false:
$A$ scalar quantity is one that
$(a)$ is conserved in a process
$(b)$ can never take negative values
$(c)$ must be dimensionless
$(d)$ does not vary from one point to another in space
$(e)$ has the same value for observers with different orientations of axes.
$A$ scalar quantity is one that
$(a)$ is conserved in a process
$(b)$ can never take negative values
$(c)$ must be dimensionless
$(d)$ does not vary from one point to another in space
$(e)$ has the same value for observers with different orientations of axes.
(E) False: Despite being a scalar quantity,energy is not conserved in inelastic collisions.
$(b)$ False: Despite being a scalar quantity,temperature can take negative values.
$(c)$ False: Total path length is a scalar quantity,yet it has the dimension of length.
$(d)$ False: $A$ scalar quantity such as gravitational potential can vary from one point to another in space.
$(e)$ True: The value of a scalar does not vary for observers with different orientations of axes.
$(b)$ False: Despite being a scalar quantity,temperature can take negative values.
$(c)$ False: Total path length is a scalar quantity,yet it has the dimension of length.
$(d)$ False: $A$ scalar quantity such as gravitational potential can vary from one point to another in space.
$(e)$ True: The value of a scalar does not vary for observers with different orientations of axes.
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Similar Questions
$Assertion$: In the measurement of physical quantities,direct and indirect methods are used.
$Reason$: The accuracy and precision of measuring instruments,along with errors in measurements,should be taken into account while expressing the result.
$Reason$: The accuracy and precision of measuring instruments,along with errors in measurements,should be taken into account while expressing the result.
$Pascal-Second$ has the dimension of:
Medium
View SolutionMatch List-$I$ with List-$II$.
List-$I$ List-$II$ $(A)$ Coefficient of viscosity $(I)$ $[ML^0T^{-3}]$ $(B)$ Intensity of wave $(II)$ $[ML^{-2}T^{-2}]$ $(C)$ Pressure gradient $(III)$ $[M^{-1}LT^2]$ $(D)$ Compressibility $(IV)$ $[ML^{-1}T^{-1}]$
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
| $(A)$ Coefficient of viscosity | $(I)$ $[ML^0T^{-3}]$ |
| $(B)$ Intensity of wave | $(II)$ $[ML^{-2}T^{-2}]$ |
| $(C)$ Pressure gradient | $(III)$ $[M^{-1}LT^2]$ |
| $(D)$ Compressibility | $(IV)$ $[ML^{-1}T^{-1}]$ |
Choose the correct statement from the following.
DifficultTS EAMCET 2022
View SolutionWhich of the following has the same dimensional formula?
Easy
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