Asked/Added Questions From NCERT:


Question 1. Asked on :11 February 2019:07:36:29 PM

 Difference between Longitudinal and Transverse waves.

-Added by Nishant Verma Science » Physics

Answer:

Himanshi Verma

Longitudes Waves:- In this wave, the particles of the medium vibrate in the direction of propagation of wave. Waves on spring or sound waves in air are examples of longitudinal waves.                                Transverse waves:- In this wave, the particles of the medium vibrate perpendicular to the direction of propagation of wave. Waves on strings under tension, waves on the surface of water are examples of transverse Waves.

-Answered by Himanshi Verma On 11 February 2019:07:59:17 PM


Question 2. Asked on :27 January 2019:10:34:41 AM

 defind the function of eye lens ?


















-Added by praful kumar Science » Physics

Answer:

Himanshi Verma

 The lens is located in the eye. By changing its shape, the lens changes the focal distance of the eye. In other words, it focuses the light rays that pass through it (and onto the retina) in order to create clear images of objects that are positioned at various distances.

-Answered by Himanshi Verma On 02 February 2019:01:47:42 PM


 

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