1

JEE Advanced 2020 Paper 1 Offline

MCQ (More than One Correct Answer)

+4

-2

Sometimes it is convenient to construct a system of units so that all quantities can be expressed in
terms of only one physical quantity. In one such system, dimensions of different quantities are given
in terms of a quantity X as follows: [position] = [X

^{$$\alpha $$}]; [speed] = [X^{$$\beta $$}]; [acceleration] = [X^{p}]; [linear momentum] = [X^{q}]; [force] = [X^{r}]. Then2

JEE Advanced 2019 Paper 1 Offline

MCQ (More than One Correct Answer)

+4

-1

Let us consider a system of units in which mass and angular momentum are dimensionless. If length has dimension of L, which of the following statement(s) is/are correct?

3

JEE Advanced 2016 Paper 2 Offline

MCQ (More than One Correct Answer)

+4

-2

In an experiment to determine the acceleration due to gravity g, the formula used for the time period of a
periodic motion is $$T = 2\pi \sqrt {{{7\left( {R - r} \right)} \over {5g}}} $$. The values of R and r are measured to be (60 $$ \pm $$ 1) mm and (10 $$ \pm $$ 1)
mm, respectively. In five successive measurements, the time period is found to be 0.52 s, 0.56 s, 0.57 s,
0.54 s and 0.59 s. The least count of the watch used for the measurement of time period is 0.01 s. Which of
the following statement(s) is(are) true?

4

JEE Advanced 2016 Paper 1 Offline

MCQ (More than One Correct Answer)

+3

-1

A length-scale (l) depends on the permittivity ($$\varepsilon $$) of a dielectric material, Boltzmann constant (k

_{B}), the absolute temperature (T), the number per unit volume (n) of certain charged particles, and the charge (q) carried by each of the particles. Which of the following expression(s) for I is(are) dimensionally correct?Questions Asked from Units & Measurements (MCQ (Multiple Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

JEE Advanced 2021 Paper 2 Online (1)
JEE Advanced 2020 Paper 1 Offline (1)
JEE Advanced 2019 Paper 1 Offline (1)
JEE Advanced 2016 Paper 2 Offline (1)
JEE Advanced 2016 Paper 1 Offline (1)
JEE Advanced 2015 Paper 1 Offline (2)
IIT-JEE 2010 Paper 1 Offline (1)
IIT-JEE 1998 (2)
IIT-JEE 1995 Screening (1)
IIT-JEE 1986 (1)

JEE Advanced Subjects

Physics

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Units & Measurements Motion Laws of Motion Work Power & Energy Impulse & Momentum Rotational Motion Properties of Matter Heat and Thermodynamics Simple Harmonic Motion Waves Gravitation

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