Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 17

EASY

11th Odisha Board

IMPORTANT

Earn 100

What are the limitations of dimensional analysis?

Important Questions on Physical World and Measurements

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 1

Express

0.53 A °

in as

x \times 10^{- 12} m

. Find the value of

x

.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 2

Using force

(F)

length

(L)

and time

(T)

as fundamental dimension. Write down the dimension of mass.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 3

The value of coefficient of viscosity is

12

in

C . G . S .

units. What is the value of the same in

SI

unit?

HARD

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 4

Velocity of sound in a gas depend on its pressure and density. Obtain the relation among velocity, pressure and density.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 5

Surface tension of water in

C . G . S .

units is

72 \frac{d y n e}{c m}

. What is its value in

S . I .

. units?

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 8

Each side of a cube is

7.203 m

. Find its total surface area and volume to proper significant figures.

HARD

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 9

In an experiment time period of a simple pendulum are measured as

2.63 s, 2.56 s

,

2.71 s, 2.80 s

. Find average absolute error and the percentage error.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 10

Find the maximum error in the value of $Y$ given by $Y = \frac{4 MgL}{{πD}^{2} l}$ , where $M = (1000 \pm 0.05) g$ ,

$L = (200 \pm 0.1), D = (0.075 \pm 0.001) cm$ and $ℓ = (0.325 \pm 0.001) cm$ .