Decibel
Coulomb
Cycles
Hum
Conservation of momentum
Conservation of mass
Conservation of energy
None of these
More heat and more cold
More heat and less cold
Less heat and more cold
Less heat and less cold
Absorption of light by the diamond
Emission of light by the diamond
High refractive index
Hardness
Le Chatelier’s principle
Law of Conservation of Mass
Law of Conservation of Energy
Law of Osmosis
Hydrogen than in water
Iron than in air
Wood than an iron
Dry iron than in water
Orange
Red
Green
Violet
It has very low gravitational force
It has no atmosphere
Its surface absorbs sound
Dispersion
Interference
Reflection
Any one of these
does not reflect any colour
absorbs black colour
reflects every colour
reflects black colour
