MEDIUM
11th Odisha Board
IMPORTANT
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The dimensional formula of coefficient of viscosity is

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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 17
What does fermi measure?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 19
Express dynecm2 in Nm2
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 1 - Physical World and Measurements>MODEL QUESTIONS>Q 13
What do you mean by a coherent system of units?
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 dynecm. What is its value in S.I.. units?
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.