WorksheetsPhysical Science - Module I
Total questions: 20
Worksheet time: 10mins
The states of matter differ due to differences in _____________.
Intermolecular forces
Number of atoms
Shape of molecules
Color of the substance
Stress is defined as_____________.
Force × Area
Force per unit area
Change in length/Original length
Pressure × Volume
Hooke’s law is valid only up to _____________.
Yield point
Elastic limit
Breaking point
Proportional limit
Units of modulus of elasticity _____________.
J
Nm⁻¹
Nm⁻² (Pascal)
Dimensionless
The rise of liquid in a capillary tube is inversely proportional to ____________.
Density
Surface tension
Radius of tube
Square of radius of tube
Surface tension decreases with ___________.
Increase in temperature
Decrease in temperature
Increasing density
Increasing pressure
Blood circulation in our body is related to ___________.
Surface tension
Elastic property
Viscosity
Capillarity
Specific heat capacity of water is approximately ____________.
1 J/kg.K
4200 J/kg.K
100 J/kg.K
4.2 J/kg.K
Heat required to raise unit mass by 1K is ____________ .
Latent heat
Specific heat capacity
Thermal expansion
Calorimetry
Cp - Cv for an ideal gas equals____________.
R (gas constant)
1
γ
Zero
A bimetallic strip works on the principle of__________.
Surface tension
Viscosity
Differential thermal expansion
Elasticity
In SI, molar specific heats are expressed in ____________.
J/mol.K
Cal/mol
erg/mol
K/mol
____________ application depends on viscosity.
Oil lubrication in machines
Electricity generation
Refraction of light
Sound waves
Heat is a form of ____________.
Matter
Pressure
Energy
Force
A bimetallic strip works on the principle of__________.
Surface tension
Viscosity
Differential thermal expansion
Elasticity
Water drop is spherical due to ____________
Gravity
Surface tension
Pressure
Density
Ink rises in blotting paper due to____________.
Diffusion
Osmosis
Capillarity
Adhesion only
Poiseuille’s experiment helps in ____________.
Finding density
Measuring viscosity
Measuring modulus of elasticity
Surface tension
____________ liquid has highest viscosity.
Water
Alcohol
Honey
Petrol
Unit of coefficient of viscosity in CGS system ____________.
Dyne/cm²
Poise
Erg
Calorie
