Measurement Questions for Class 4 with Answers. We covered all the Measurement Questions for Class 4 with Answers in this post for free so that you can practice well for the exam.
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MCQ on Measurement for Class 4 Students
Nuclear sizes are expressed in a unit named
(a) Fermi
(b) Angstrom
(c) Newton
(d) Tesla
Option a – Fermi
What is measured in hertz?
(a) Frequency
(b) Energy
(c) Heat
(d) Quality
Option a – Frequency
Which one of the following physical quantities has the same unit as that of pressure?
(a) Angular momentum
(b) Stress
(c) Strain
(d) Work
Option b – Stress
Angstrom is a unit of
(a) wavelength
(b) energy
(c) frequency
(d) velocity
Option a – wavelength
(a) Mass
(b) pressure
(c) density
(d) purity
Option b – pressure
The numerical value of a physical quantity
(a) is inversely proportional to its unit.
(b) proportional to its unit.
(c) is not related to the unit.
(d) None of the above
Option a – is inversely proportional to its unit
Identify the unit of measuring the intensity of sound
(a) Knots
(b) Ampere
(c) Candela
(d) Decibel
Option d – Decibel
What is the unit of the physical quantity, Momentum?
(a) Newton second
(b) Joule second
(c) Erg second
(d) Pascal second
Option a – Newton second
What is the unit of pressure?
(a) Newton/sq metre
(b) Newton-metre
(c) Newton
(d) Newton/metre
Option a – Newton/sq metre
The unit of pressure is
(a) kg/cm²
(b) kg/cm
(c) kg/mm
(d) None of the above/More than one of the above
Option d – None of the above/More than one of the above
The unit of the force constant k of a spring is
(a) N-m
(b) N/m
(c) N-m²
(d) n/m²
Option b – N/m
Which one of the following is not the unit of heat?
(a) Centigrade
(b) Calorie
(c) Erg
(d) Joule
Option a – Centigrade
Which one of the following quantities does not have unit?
(a) Stress
(b) Force
(c) Strain
(d) Pressure
Option c – Strain
Scalar quantities do not have
(a) magnitude
(b) direction
(c) magnitude and direction
(d) None of the above
Option b – direction
Vector quantities have
(a) magnitude
(b) direction
(c) magnitude and direction
(d) not magnitude and direction
Option c – magnitude and direction
Which of the following is a scalar quantity?
(a) Velocity
(b) Force
(c) Angular momentum
(d) Electrostatic potential
Option d – Electrostatic potential
Which of the following is not a vector quantity?
(a) Speed
(b) Velocity
(c) Torque
(d) Displacement
Option a – Speed
Which one of the following is a vector quantity?
(a) Momentum
(b) Pressure
(c) Energy
(d) Work
Option a – Momentum
The measurement of physical quantity
(a) is the process of comparing the quantity with a standard amount of the physical quantity of the same kind.
(b) is the process of comparing the quantity with its unit
(c) Both (a) and (b)
(d) None of the above
Option c – Both (a) and (b)
The physical unit is
(a) the standard amount of a physical quantity chosen to measure the physical quantity of the same kind.
(b) the angle subtended at the centre of a circle by an arc equal in length to the radius of the circle.
(c) the amount of substance.
(d) None of the above.
Option a – the standard amount of a physical quantity chosen to measure the physical quantity of the same kind
A physical quantities
(a) cannot be measured.
(b) can be expressed in the form of law.
(c) can be represented completely by its magnitude and unit.
(d) Both (b) and (c)
Option d – Both (b) and (c)
Fundamental quantities
(a) are not independent of other physical quantities.
(b) are independent of other physical quantities.
(c) cannot be expressed in physical law
(d) None of the above
Option b – are independent of other physical quantities
Which of the following is not one of the fundamental quantities in Physics?
(a) Length
(b) Time
(c) Weight
(d) Mass
Option c – Weight
Those quantities which can be derived from the fundamental quantities are called
(a) Fundamental Unit
(b) Derived Quantities
(c) Precision
(d) None of the above
Option b – Derived Quantities
Which of the following is a derived quantity in Physics?
(a) Length
(b) Time
(c) Mass
(d) Velocity
Option d – Velocity
We covered all the measurement questions for class 4 with answers above in this post for free so that you can practice well for the exam.
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