Match List - I with List - II : List - I List - II a Magnetic induction i ML 2 T - 2 A - 1 b Magnetic flux ii M 0 L - 1 A c Magnetic permeability iii MT - 2 A - 1 d Magnetization iv MLT - 2 A - 2 Choose the most appropriate answer from the options given below :

( a ) - ( iii ) , ( b ) - ( i ) , ( c ) - ( iv ) , ( d ) - ( ii )

( a ) - ( iii ) , ( b ) - ( ii ) , ( c ) - ( iv ) , ( d ) - ( i )

( a ) - ( ii ) , ( b ) - ( iv ) , ( c ) - ( i ) , ( d ) - ( iii )

( a ) - ( ii ) , ( b ) - ( i ) , ( c ) - ( iv ) , ( d ) - ( iii )

Match List- I with List- II . List- I List- II a R H (Rydberg constant) i kg m - 1 s - 1 b h (Planck's constant) ii kg m 2 s - 1 c μ B (Magnetic field energy density) iii m - 1 d η (coefficient of viscosity) iv kg m - 1 s - 2 Choose the most appropriate answer from the options given below:

( a ) - ( iii ) , ( b ) - ( ii ) , ( c ) - ( iv ) , ( d ) - ( i )

( a ) -( iv ), ( b )-( ii ), ( c )-( i ), ( d )-( iii )

( a ) - ( ii ) , ( b ) - ( iii ) , ( c ) - ( iv ) , ( d ) - ( i )

( a ) - ( iii ) , ( b ) - ( ii ) , ( c ) - ( i ) , ( d ) - ( iv )

EASY

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IMPORTANT

Earn 100

If $E, L, M$ and $G$ denote the quantities as energy, angular momentum, mass and constant of gravitation respectively, then the dimensions of $P$ in the formula $P = E L^{2} M^{- 5} G^{- 2}$ are:

26.09% studentsanswered this correctly

Important Questions on Physics and Measurement

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physics and Measurement>JEE Main - 26 August 2021 Shift 1>Q 2

In a Screw Gauge, fifth division of the circular scale coincides with the reference line when the ratchet is closed. There are

50

divisions on the circular scale, and the main scale moves by

0.5 mm

on a complete rotation. For a particular observation the reading on the main scale is

5 mm

and the

20^{th}

division of the circular scale coincides with reference line. Calculate the true reading.

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physics and Measurement>JEE Main - 26 August 2021 Shift 2>Q 3

Match List - I with List - II :

	List - I		List - II
a	Magnetic induction	i	${ML}^{2} T^{- 2} A^{- 1}$
b	Magnetic flux	ii	$M^{0} L^{- 1} A$
c	Magnetic permeability	iii	${MT}^{- 2} A^{- 1}$
d	Magnetization	iv	${MLT}^{- 2} A^{- 2}$

Choose the most appropriate answer from the options given below :

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physics and Measurement>JEE Main - 26 August 2021 Shift 2>Q 4

The acceleration due to gravity is found up to an accuracy of

4 %

on a planet. The energy supplied to a simple pendulum of known mass

m

to undertake oscillations of time period

T

is being estimated. If time period is measured to an accuracy of

3 %

, the accuracy to which

E

is known as ________

%

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physics and Measurement>JEE Main - 27 August 2021 Shift 1>Q 5

If $E$ and $H$ represents the intensity of electric field and magnetizing field respectively, then the unit of $\frac{E}{H}$ will be:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physics and Measurement>JEE Main - 27 August 2021 Shift 1>Q 6

Which of the following is not a dimensionless quantity?

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physics and Measurement>JEE Main - 27 August 2021 Shift 1>Q 7

A huge circular arc of length $4.4 ly$ subtends an angle $4 s$ at the centre of the circle. How long it would take for a body to complete $4$ revolution if its speed is $8 AU$ per second?
Given : $1 ly = 9.46 \times 10^{15} m$

$1 AU = 1.5 \times 10^{11} m$

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physics and Measurement>JEE Main - 27 August 2021 Shift 2>Q 8

Match List- $(I)$ with List- $(II)$ .

	List- $(I)$		List- $(II)$
a	$R_{H}$ (Rydberg constant)	i	$kg m^{- 1} s^{- 1}$
b	$h$ (Planck's constant)	ii	$kg m^{2} s^{- 1}$
c	$μ_{B}$ (Magnetic field energy density)	iii	$m^{- 1}$
d	$η$ (coefficient of viscosity)	iv	$kg m^{- 1} s^{- 2}$

Choose the most appropriate answer from the options given below:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physics and Measurement>JEE Main - 27 August 2021 Shift 2>Q 9

If force (F), length (L) and time (T) are taken as the fundamental quantities. Then what will be the dimension of density:

If E, L, M and G denote the quantities as energy, angular momentum, mass and constant of gravitation respectively, then the dimensions of P in the formula P=EL2M-5G-2 are:

Important Questions on Physics and Measurement

Learn and Prepare for any exam you want !

If $E, L, M$ and $G$ denote the quantities as energy, angular momentum, mass and constant of gravitation respectively, then the dimensions of $P$ in the formula $P = E L^{2} M^{- 5} G^{- 2}$ are: