| 
            
            
              A force of (2500 + 5) N is applied over an area of (0.32 ± 0.02) m2. Calculate the pressure exerted over the area
            
            
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            0
           | 
          
            11229
           | 
          
            August 16, 2016
           | 
        
        
          | 
            
            
              The voltage across a lamp is (6.0 ± 0.1) volt and the current passing through it is (4.0 ± 0.2) ampere. Find the power consumed by the lamp
            
            
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           | 
          
            1
           | 
          
            20413
           | 
          
            April 20, 2019
           | 
        
        
          | 
            
            
              Distinguish between dimensional variables and dimensional constants. Give example too
            
            
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            0
           | 
          
            11490
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              The sides of a rectangle are (10.5 ± 0.2) cm and (5.2 ± 0.1) cm. Calculate its perimeter with error limits
            
            
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            0
           | 
          
            9528
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Precise measurements of physical quantities are need of science
            
            
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           | 
          
            1
           | 
          
            1592
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Answer the following
            
            
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            1
           | 
          
            1956
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Explain the statement clearly
            
            
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            1
           | 
          
            1036
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              The length, breadth and thickness of a rectangular sheet of metal
            
            
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            1
           | 
          
            3774
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              State the number of significant figures in the following
            
            
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            1
           | 
          
            3793
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              The voltage across a lamp
            
            
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           | 
          
            1
           | 
          
            918
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              If displacement of a body
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            3316
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              A jeweller put a diamond weighing 5.42 g in a box
            
            
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            1
           | 
          
            7217
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Which of the following length measurement is most accurate and why?
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            2280
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              A LASER is a source of very intense, monochromatic and unidirectional beam of light
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            1647
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Explain this common observation clearly---If you look out of the window of a fast moving train
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            1767
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              A new unit of length is chosen such that the speed of light
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            5257
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              What is the technique used for measuring large time intervals?
            
            
           | 
          
              
                 
              
           | 
          
            0
           | 
          
            3695
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Why parallax method cannot be used for measuring
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            3886
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Estimate the average mass density' of sodium atom
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            4907
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              The sun is a hot plasma (ionized matter) with its inner core
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            5568
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              The radius of atom is of the order of 2 A
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            2967
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Why length, mass and time are chosen
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            1844
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Why has second been defined in terms of periods
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            2339
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              What is the total atomic volume in ${{m}^{3}}$ of a mole of hydrogen atoms?
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            4002
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              A student measures the thickness of a human hair
            
            
           | 
          
              
                 
              
           | 
          
            1
           | 
          
            7511
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              The mass of a proton is 1.67 x ${{10}^{-27}}$ kg. How many protons would make 1 g?
            
            
           | 
          
              
                 
              
           | 
          
            0
           | 
          
            3420
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Do AU and A represent the same unit of length?
            
            
           | 
          
              
                 
              
           | 
          
            0
           | 
          
            8203
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              Find the value of one light year in giga metre
            
            
           | 
          
              
                 
              
           | 
          
            0
           | 
          
            1889
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              How many metric tons are there in teragram?
            
            
           | 
          
              
                 
              
           | 
          
            0
           | 
          
            2671
           | 
          
            December 22, 2016
           | 
        
        
          | 
            
            
              What is common between bar and torr?
            
            
           | 
          
              
                 
              
           | 
          
            0
           | 
          
            4183
           | 
          
            December 22, 2016
           |