EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>TS EAMCET 2021 (04-Aug Shift-1)>Q 10

HARD

TS EAMCET

IMPORTANT

Earn 100

The dimensions of $σ b^{4}$ where $' σ'$ is Stefan's constant and $' b'$ is Wien's constant are

90% studentsanswered this correctly

Important Questions on Physical World and Measurement

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>TS EAMCET - 5 August 2021 Shift 1>Q 11

Consider an expression

Q V = k P T L^{α}

where

V, P, T, L

are volume, pressure, time, and length respectively. The quantity

[Q]

has dimension

M L^{- 1} T^{- 1} . k

is a dimensionless constant. The value of the integer

α

is:

EASY

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>TS EAMCET - 5 August 2021 Shift 2>Q 12

If

ε_{0}

and

μ_{0},

represent the permittivity and permeability of free space respectively, then the dimension of the product

ε_{0} μ_{0}

is,

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>TS EAMCET 2021 (04-Aug Shift-2)>Q 13

Consider a physical quantity,

Z

expressed as

Z = \frac{A B^{\frac{1}{2}}}{C^{2}} .

If the relative error in the magnitudes of

A, B

and

C

is

1 %

then the relative error in

Z

will be,