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JEE Introduction to Physics PYQs with Solutions

47 previous year questions from Introduction to Physics (JEE Main & Advanced Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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About Introduction to Physics PYQs

Introduction to Physics has 47 previous year questions in the Quantrex Academy JEE Main & Advanced Physics bank. The 47 questions in this list come from Concepts Of Physics MCQ Edition [Volume 1] (47). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Introduction to Physics questions with solutions

1

Determine the dimensions of linear momentum.

Concepts Of Physics MCQ Edition [Volume 1] Solution
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2

Determine the dimensions of angular speed ω . Some of the equations involving related quantities are ω = (θ_2 - θ_1)/(t_2 - t_1) , α = (ω_2 - ω_1)/(t_2 - t_1) , Γ = F · r and I =

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3

Determine the dimensions of angular acceleration α . Some of the equations involving related quantities are ω = (θ_2 - θ_1)/(t_2 - t_1) , α = (ω_2 - ω_1)/(t_2 - t_1) , Γ = F · r

Concepts Of Physics MCQ Edition [Volume 1] Solution
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4

Determine the dimensions of frequency.

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5

Determine the dimensions of pressure.

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6

Determine the dimensions of torque Γ . Some of the equations involving related quantities are ω = (θ_2 - θ_1)/(t_2 - t_1) , α = (ω_2 - ω_1)/(t_2 - t_1) , Γ = F · r and I = mr^2 .

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7

Determine the dimensions of moment of inertia I . Some of the equations involving related quantities are ω = (θ_2 - θ_1)/(t_2 - t_1) , α = (ω_2 - ω_1)/(t_2 - t_1) , Γ = F · r and

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8

Determine the dimensions of the electric field E . The relevant equations are F = qE , F = qvB , and B = (μ_0 I)/(2 π a) ; where F is force, q is charge, v is speed, I is current

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9

Determine the dimensions of the magnetic permeability μ_0 . The relevant equations are F = qE , F = qvB , and B = (μ_0 I)/(2 π a) ; where F is force, q is charge, v is speed, I is

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10

Determine the dimensions of electric dipole moment p . The defining equation is p = q · d , where d is distance and q is charge.

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11

Determine the dimensions of magnetic dipole moment M . The defining equation is M = IA , where A is area and I is current.

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12

Determine the dimensions of Planck's constant h using the equation E = hν , where E represents the energy and ν represents the frequency.

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13

Find the dimensions of the specific heat capacity c . An equation involving this quantity is Q = mc(T_2 - T_1) .

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14

Find the dimensions of the coefficient of linear expansion α . An equation involving this quantity is l_t = l_0[1 + α(T_2 - T_1)] .

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15

Determine the dimensions of the magnetic field B . The relevant equations are F = qE , F = qvB , and B = (μ_0 I)/(2 π a) ; where F is force, q is charge, v is speed, I is current

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16

Find the dimensions of the gas constant R . An equation involving this quantity is PV = nRT .

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17

Assuming force, length, and time to be the fundamental quantities, determine the dimensions of density.

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18

Assuming force, length, and time to be the fundamental quantities, determine the dimensions of pressure.

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19

Assuming force, length, and time to be the fundamental quantities, determine the dimensions of momentum.

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20

Assuming force, length, and time to be the fundamental quantities, determine the dimensions of energy.

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21

Assume the acceleration due to gravity at a certain location is 10 m/s^2 . Determine its value in cm/(minute)^2 .

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22

The average speed of a snail is 0.020 miles/hour, whereas that of a leopard is 70 miles/hour. Determine these speeds in SI units.

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23

In a Calcutta laboratory, the height of the mercury column in a barometer was recorded as 75 cm . Determine this pressure in SI and CGS units using the following data: specific

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24

Determine the power of a 100 watt bulb in CGS units.

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25

The normal duration of an I.Sc. Physics practical period in Indian colleges is 100 minutes. Determine this period in microcenturies, given that 1 microcentury = 10^ -6 × 100 years

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26

The surface tension of water is 72 dyne/cm . Convert this value into SI units.

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27

A rotating body's kinetic energy K relies on its moment of inertia I and its angular speed ω . Suppose the relation is K = kI^a ω^b , where k is a dimensionless constant.

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28

According to the theory of relativity, mass can be transformed into energy. The resulting energy E is proportional to certain powers of the mass m and the speed of light c .

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29

Let I represent the current through a conductor, R its resistance, and V the potential difference across its ends. According to Ohm's law, the product of two of these quantities

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30

The vibration frequency of a string depends on the length L between the nodes, the tension F in the string, and its mass per unit length m . Determine the expression for its

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31

Determine if the following equation is dimensionally correct: v = (P)/(ρ) where h = height, S = surface tension, ρ = density, P = pressure, V = volume, η = coefficient of

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32

Determine if the following equation is dimensionally correct: h = (2 S θ)/(ρ r g) where h = height, S = surface tension, ρ = density, P = pressure, V = volume, η = coefficient of

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33

Determine if the following equation is dimensionally correct: V = (π P r^4 t)/(8 η l) where h = height, S = surface tension, ρ = density, P = pressure, V = volume, η = coefficient

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34

Determine if the following equation is dimensionally correct: ν = (1)/(2 π) (mgl)/(I) where h = height, S = surface tension, ρ = density, P = pressure, V = volume, η = coefficient

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35

Let x and a represent distance. Is the equation ∫ dx a^2 - x^2 = (1)/(a) ^ -1 (a)/(x) dimensionally correct?

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36

Assume a quantity x can be dimensionally expressed in terms of M , L , and T , such that [x] = M^a L^b T^c . The quantity mass

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37

Which of the following sets of physical quantities cannot be taken as fundamental quantities in any system of units?

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38

When a physical quantity is measured, the result is expressed as nu , where u represents the unit used and n is the numerical value. If the result is expressed using various

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39

A physical quantity that is dimensionless

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40

A quantity without units

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41

∫ dx 2ax - x^2 = a^n ^ -1 ((x)/(a) -1) . Determine the value of n . You may use dimensional analysis to solve the problem.

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42

Select the correct statement(s):

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43

The dimensions ML^ -1 T^ -2 can correspond to

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44

Select the correct statement(s) from the following:

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45

Select the correct statement(s) from the following:

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46

Select the correct statement(s):

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47

The dimensions ML^ -1 T^ -2 can correspond to

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