Interaction Of Radiation With Matter

A : Different electromagnetic waves differ considerably in their mode of interaction with matter. R : Different electromagnetic waves have different wavelength or frequency.

Assertion:The detection of neutrinos is extremely difficult . Reason : Neutrinos interact only very weakly with matter.

Class 12 Physics | Chapter 11 Dual Nature of Radiation and Matter| Important Questions and Quick Revision

Positive Interactions :- Commensalism || Negative Interactions:- 1.Predation 2. Parasitism

What is population interaction? Explain the interactions in Mutualism and Competition.

If '+' sign is assigned to benefited interaction '-' sign to detrimental and '0' sign to neutral interaction, then the population interaction represented by '+' '-' refers to: