find the volume of rectangular block by using a vernier callipers. Apparatus: Theory: Vernier caliper,rectangular block...

 

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find the volume of rectangular block by using a vernier callipers. Apparatus: Theory: Vernier caliper,rectangular block and magnifying glass. (a)volume of the rectangular block(V), V=lbh in m Where l=length of the block in m b=breadth of the block (in m) h=height of the block (in m) Volume of the sphere,V=(4/3)IIr (in m Where r=radius of the sphere (in m) It is the smallest measurement that which any measuring instrument can measure accurately(value of one division=L.C.) am') Least count: Observations and calculations: 1) To find length.breadth and height of a rectangular block Slno: Dimensions M.S.R.(cm) VSR(div) VSRXL.C. Total=MSR+ Mean (cm) (VSRXLC) (cm) (cm) Length(1) 1 b= 2 Breadth(b) 4 h= Height(h) 4 Volume of the rectangular block=lbh V = cm 3 V= m 1 (2) To find the diameter of the sphere (VSRXLC) |Diameter,d=MSR+ (cm) Slno: Dimension MSR VSR (cm) (div) (VSRXLC) (cm) 1 Diameter 3 (d) 4 Mean d= cm Radius of the sphere,r=d/2 %3D cm Volume of the sphere, V-(4/3)- cm -m3 Procedure: 1. Calculate the LC of vernier calipers. 2. Measure length,breadth&thickness of a rectangular block and diameter of the given sphere by using vernier calipers. 3. Find MSR and VSR for each physical quantity. 4. Calculate the total reading by using the formula MSR+(VSRXLC). 5. Find the volume of block using the equation V=lbh& volume of the sphere V==(4/3) IIr 6. Repeat the experiment 4 or 5 times. Precautions: 1. The movement of vernier scale on main scale should be smooth 2. Take measurements of diameter by changing the orientation of the body 3. Notice the readings carefully to avoid error due to parallax Sources of error 1. In poor quality of vernier calipers jaws may not be perpendicular to scales 2. Parallax may be there in taking the observations 3 Result: Volume of the rectangular block,VD -m Volume of the sphere,v= 3 m find the volume of rectangular block by using a vernier callipers. Apparatus: Theory: Vernier caliper,rectangular block and magnifying glass. (a)volume of the rectangular block(V), V=lbh in m Where l=length of the block in m b=breadth of the block (in m) h=height of the block (in m) Volume of the sphere,V=(4/3)IIr (in m Where r=radius of the sphere (in m) It is the smallest measurement that which any measuring instrument can measure accurately(value of one division=L.C.) am') Least count: Observations and calculations: 1) To find length.breadth and height of a rectangular block Slno: Dimensions M.S.R.(cm) VSR(div) VSRXL.C. Total=MSR+ Mean (cm) (VSRXLC) (cm) (cm) Length(1) 1 b= 2 Breadth(b) 4 h= Height(h) 4 Volume of the rectangular block=lbh V = cm 3 V= m 1 (2) To find the diameter of the sphere (VSRXLC) |Diameter,d=MSR+ (cm) Slno: Dimension MSR VSR (cm) (div) (VSRXLC) (cm) 1 Diameter 3 (d) 4 Mean d= cm Radius of the sphere,r=d/2 %3D cm Volume of the sphere, V-(4/3)- cm -m3 Procedure: 1. Calculate the LC of vernier calipers. 2. Measure length,breadth&thickness of a rectangular block and diameter of the given sphere by using vernier calipers. 3. Find MSR and VSR for each physical quantity. 4. Calculate the total reading by using the formula MSR+(VSRXLC). 5. Find the volume of block using the equation V=lbh& volume of the sphere V==(4/3) IIr 6. Repeat the experiment 4 or 5 times. Precautions: 1. The movement of vernier scale on main scale should be smooth 2. Take measurements of diameter by changing the orientation of the body 3. Notice the readings carefully to avoid error due to parallax Sources of error 1. In poor quality of vernier calipers jaws may not be perpendicular to scales 2. Parallax may be there in taking the observations 3 Result: Volume of the rectangular block,VD -m Volume of the sphere,v= 3 m

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