MEDIUM
11th Odisha Board
IMPORTANT
Earn 100

The value of coefficient of viscosity is 12 in C.G.S. units. What is the value of the same in SI unit?

Important Questions on Physical World and Measurements

HARD
11th Odisha Board
IMPORTANT
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
Surface tension of water in C.G.S. units is 72 dynecm. What is its value in S.I.. units?
EASY
11th Odisha Board
IMPORTANT
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
In an experiment time period of a simple pendulum are measured as 2.63 s,2.56 s2.71 s,2.80 s. Find average absolute error and the percentage error.
MEDIUM
11th Odisha Board
IMPORTANT

Find the maximum error in the value of Y given by Y=4MgLπD2l, where M=1000±0.05g

L=(200±0.1),D=(0.075±0.001)cm and =(0.325±0.001)cm.

MEDIUM
11th Odisha Board
IMPORTANT
A force (5.87±0.3)N is applied on an area (2.85±0.6)m2. What is pressure on the area?
MEDIUM
11th Odisha Board
IMPORTANT
The frequency of transverse vibration of string depends on its tension T, length , and mass per unit length m. Derive the expression for its frequency by dimensional analysis.
MEDIUM
11th Odisha Board
IMPORTANT
State the rules which govern the determination of significant figures in algebraic operations. Give one example for each.