ATOMIC PHYSICS

CLASSICAL PHYSICS

CLASSICAL PHYSICS

Assertion : Study of biology requires basic knowledge of chemistry and physics. Reason : Living organisms are made up of atoms and molecules which follow chemical and physical laws.

In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium?

Effect of Temperature on Physical State

Assertion : Physical adsorption increases with increase in temperature. Reason : Physical adsorption is an endothermic process.

“The physical and chemical properties of the elements are periodic function of their respective atomic weights”. This statement was given by

One of the domains of physics “ microscopic" Deals with the phenomena at I) atomic- level II) molecular- level III) nuclear -leve