error analysis objective questions dpp

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1.    In an experiment the percentage of error occurred in the measurement of physical quantities A,B,C and D  are 1% ,2%, 3% and 4% respectively . then the maximum percentage of error in the measurement x where x =A²B^1/2/c^1/3D³ will be                                           NEET 2019

a.     10%              b. 3/13%               c.  -10%                              d. 16%

2.    If the error in the measurement of radius of a sphere is 2% then the error in the determination in volume of the sphere will be                                                                                        NEET 2008

a.      8 %                    b.  2 %                            c. 4 %                                            d.  6 %

3.    The density of a cube is measured by measuring its mass and length of its sides . if the maximum error in the measurement of mass and length are 3% and 2% respectively .The maximum error in the measurement of density would be .                                                                     NEET 1996

a.     12%                   b. 14%                            c. 7%                                             d 9%

4.    A copper wire is starched to make it 0.5% longer .The percentage change in its electrical resistance if its volume remains unchanged is

a.     2%

b.    2.5%

c.     1%

d.    0.5%