PPSC Physics Full Book With Answers

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PPSC Physics Full Book

Sr. # Questions Answers Choice
1 The dimensions of work are [MLT-2] [ML2T-2] [ML2T-1] [MLT-1]
2 The dimension of momentum is. [MLT-1] [ML2T-2] [ML3T-2] [MLT-1]
3 The SI unit of coefficient of viscosity of kg m s-1 kg m-1 s-1 kg m-1 s-1 kg ms -2
4 The SI unit of torque is kg ms-2 kg m2s-2 kg ms-1 kg m2 s-3
5 The dimensions of force are. [MLT-2] [MLT-1] [M,-1T-2] [M-2T-2]
6 Which of the following SI units is not named after any physicist. Hertz Joule Volt Candala
7 Which one of the following pairs does not have the same dimensions. Force and weigfht Pressure and stress Capacitance and resistance Energy and work
8 Which one of the following does not have the same dimenstions. Energy ,work, heat Pressure, stress, Young's modulus Voltage, electromotive force, potential difference Electric flux, electric field, electric dipole moment
9 The pascal is not the SI derived unit of. Pressure Stress work Tensile strength
10 Which one of the following is not a dimensionless quantity. Radian pi Decibel Force
11 Which of the following is not a unit of plane angle. Degree Radian Gradian Steradian
12 Candela is the SI base unit of. illuminance Luminous flux Luminous intensity Radiant energy
13 Which of the following is not SI base unit. kilogram Ampere Coulomb Mole
14 MT-2 is the dimensionless formula of. Moment of iniertia Viscosity surface tension Angular acceleration
15 What are the dimensions of coefficient of velocity of [MLT-1] [ML-1T-1] [ML-2T-1] [MLT-2]
16 The dimensions of moment of inertia are [ML2] [MLT-1] [ML2T-1] [ML-1T-2]
17 The dimensions of torque are. [MLT-2] [ML-1T-1] [ML2T-2] [ML-2]
18 The dimensions of universal gravitational constant G are. [MLT-2] [ML -2T-2] [M-1L2T-2] [ML-1T-1]
19 One light year is equal to. 9.46 x 10<sup>15</sup> cm 9.46 x 10<sup>15</sup> m 9.46 x 10<sup>15</sup> km 7.88 x 10<sup>14</sup> m
20 Light year is a unit of Light Velocity Time Distance
21 The SI unit of solid angle is Degree Radian Steradian Candala
22 The fundamental quantities which form the base of the SI are. mass, energy and time mass, force and time mass, length and time mass , length and time
23 Which of the following pair of physical quantities have the same dimension. Momentum and pressure Energy and work Linear and angular momentum Force and surface tenstion
24 Which quantity has different base units from the other three. Density x volume x velocity Rate of change of momentum The Young's modulus x area Weight
25 Which of the following quantity has a unit that can be expressed in terms of just two different SI base units. Area<div><br></div> Change Electric current Length
26 Supplementary units radian and steradian were established for Density Viscosity electric intensity Geometrical quantities
27 Which of the following is dimensionless. Strain Stress Pressure Volume
28 The SI unit of plane angle is Radian Degree Steradian Radian per second
29 Which of the following is a set of supplementary units. Radian and steradian Radian and mole Steradian and candela Radian and kelvin
30 Which quantity has dimensions different from the others. Energy per unit volume Force per unit area Angular momentum per unit mass Pressure
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