- Amorphous structure
- Strong inter molecular forces
- Strong inter ionic forces
- Irregular crystal structure
- c
All Categories
Bohr’s assumed that on the basis of Quantum theory, there exists the possibility that electrons in certain orbits may not give out radiation and remain stable, called as:
- Stable state
- Stationary state
- Excited state
- Unstable state
- b
-
These certain orbits are known as Stationary State or Stationary Orbits.
The white light gives continuous band of colours, each single band has specific wave length known as _____ light.
- Spectrum
- Coherent
- Monochromatic
- Unichromatic
- c
Amorphous solids, which melt over a wide range of temperature, as they don’t have sharp melting point. This is because:
- They have definite pattern
- They have uniform attractive forces
- Their crystals are identical in shape
- Their inter molecular forces vary place to place
- d
Which of the following fact about liquid’s behavior is used in hydraulic brake system?
- Diffusibility
- Compressibility
- Viscosity
- Fluidity
- d
According to the Kinetic Theory of Liquids, particles of liquid are fairly randomly arranged (as in gas), but consists of ____ in which they are very close together.
- Arrays
- Groups
- Clusters
- Gangs
- c
To work out empirical formula, we calculate the percentage of elements from their masses, this step is termed as:
- Element detection
- Estimation
- Getting simple ratio
- Division of smallest quotient
- b
In irreversible reactions, the reactions go to completion, until one of the reactant consumed entirely and reaction stop is called as:
- Limiting Reactant
- Excess Reactant
- Excess Reactant
- None of these
- a
Internal area of an alveolus is provided with a thin layer of fluid containing ____
- Pleural fluid
- Surfactant
- Oxygen
- Mycous
- b
The total aggregate of genes in a population at any one time is called:
- Allele
- Inheritance
- Trait
- Gene Pool
- d