Cell And It'S Types|Laws Of Reflection|Human Eye|Properties Of Sound|Friction

Introduction|Sound Produce By Human|Does Sound Travel In Liquid?|Human Ear|Properties Of Sound|Difference Between Noise And Music|OMR

Properties Of Light|Ray Optics|Ray And Beam|Types Of Beam|Refraction Of Light|Refractive Index|Laws Of Refraction

Crystal lattice And Its Characteristics|Unit Cell And Its Types|Seven Crystal Systems|Types Of Defects|Extra Anions Occupying Interstitial Sites|Electrical Properties And Magnetic Properties

The type of lens present in human eye is

The laws of reflection or refraction are the same for sound as for light. The index of refraction of a medium (for sound) is defind as the ratio of the speed of sound in air 343 m//s to the speed of sound in the medium. What is the index of refraction (for sound) of water (v=1498 m//s) ? What is the critical angle theta , for total reflection of sound from water?

Name two types of photoreceptors of human eye.

The order of three layers of cells in retina of human eye from inside to outside is

Tumor And Cancer|Benign Vs Malignant Tumor|Properties Of Cancer Cells|Properties Of Cancer |Causes Of Cancer|Types Of Cancer|Normal Cells Vs Cancer Cells|Detection|Treatment