Amongst the following options, which is a unit of time?

Unit and Measurement MCQs

October 1, 2022

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Q. Amongst the following options, which is a unit of time? Light yearParsecYearNone of these Answer: Year

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If the value of work done is 1010 g-cm2 s-2 , then its value in SI units will be

Unit and Measurement MCQs

October 1, 2022

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Q. If the value of work done is 1010 g-cm2 s-2 , then its value in SI units will be 10 kg-m2s-2102 kg-m2s-2104 kg-m2s-2103 kg-m2s-2 Answer: 103 kg-m2s-2

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The SI unit of thermal conductivity is

Unit and Measurement MCQs

October 1, 2022

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Q. The SI unit of thermal conductivity is J m-1K-1W-m K-1Wm-1K-1Jm K-1 Answer: Wm-1K-1

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The density of a material in SI units is 128 kg m-3 . In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is

Unit and Measurement MCQs

October 1, 2022

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Q. The density of a material in SI units is 128 kg m-3 . In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is 4016640410 Answer: 40

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The quantity having the same unit in all system of unit is

Unit and Measurement MCQs

October 1, 2022

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Q. The quantity having the same unit in all system of unit is masstimelengthtemperature Answer: time

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The dimensional formula for angular momentum is same as that for

Unit and Measurement MCQs

October 1, 2022

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Q. The dimensional formula for angular momentum is same as that for: torquePlank’s constantgravitational constantimpulse Answer: Plank’s constant

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Which of the following physical quantity is dimensionless?

Unit and Measurement MCQs

October 1, 2022

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Q. Which of the following physical quantity is dimensionless? anglespecific gravitystrainall of these Answer: all of these

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Which of the following is the unit of molar gas constant?

Unit and Measurement MCQs

October 1, 2022

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Q. Which of the following is the unit of molar gas constant? JK-1 mol-1JJK-1J mol-1 Answer: JK-1 mol-1

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The weight of a body is 12g. This statement is not correct because

Unit and Measurement MCQs

October 1, 2022

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Q. The weight of a body is 12g. This statement is not correct because: the correct symbol for the unit of weight has not been usedthe correct symbol for gram is gm.the weight should be expressed in kg.None of the above Answer: the correct symbol for the unit of weight has not been used

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Give that the displacement of a particle is given by x = A² sin² kt, where t denotes the time. The unit of k is

Unit and Measurement MCQs

October 1, 2022

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Q. Give that the displacement of a particle is given by x = A² sin² kt, where t denotes the time. The unit of k is radianmetrehertzsecond Answer: hertz

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The volume of a cube in m3 is numerically equal to its surface area in m². The volume of the cube is

Unit and Measurement MCQs

October 1, 2022

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Q. The volume of a cube in m3 is numerically equal to its surface area in m². The volume of the cube is 64m³1000m³216m³512m³ Answer: 216m³

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Which of the following is not the name of a physical quantity?

Unit and Measurement MCQs

October 1, 2022

18 Views

Q. Which of the following is not the name of a physical quantity? KilogramDensityenergyImpulse Answer: Kilogram

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