Rate of Flow of Water,Physics practical For Standard 12

RATE OF FLOW OF WATER
AIM :-
Fill water in a cylinder vessel, connected with a capillary, upto some height ho. Allow water to flow through capillary in a controlled way and measure the height (h) of water, in vessel, at regular intervals (t) of time. Take ten such observations. Draw a graph of h / t and find the half-life of the flow of water.

Apparatus : A burette
A stand
A beaker
A stop-watch
A capillary of fine bore
A rubber tube
A pinch cock
Water

Rate of Flow of Water

Rate of Flow of water

  Observation table 

Rate of Flow of water Observation table

Graph of Rate of Flow of Water

Rate of Flow of Water Observation table

Graph of Rate of Flow of Water

 

Sonometer for standard 12 Physics Practical

Sonometer

AIM :-
To study the relation between frequency and the length of a stretched string with the help of a sonometer.

PRECAUTIONS :-
The wire should be of uniform cross-section and there should not be any twist or bend in it.
The pulley should rotate without friction.
Put that much weight in the pan so that the deformation produced in the wire should not exceed the elastic limit.
The stem of the tuning fork, not its prongs, should be placed on the sonometer box or on the support.

Apparatus:-    A sonometer,
                       tuning forks ( of frequencies from 256 Hz – 512 Hz), 
                       a pan or a hanger of known weight,
                       four to five 500 gm weights,
                        a paper rider,
                       a rubber-pad and
                       a meter rule. 

Sonometer

         
          









OBSERVATION TABLE

Sonometer Observation table

Graph:-

Graph of Sonometer

 

Sonometer Presentation