Question

1) The error in the measurements of the size of the rectangle is 1 % . The error in the measurement of its area is -
a) 1%
b) 1/2%
c) 2%
d) none of the above

2) light year is a unit of
* time
* mass
* distance
* luminosity

3) ( L1 M1 T2) is the dimensional formula for
* velocity
* acceleration
* force
* work

4) dimensions of kinetic energy are the same as that of
* force
* acceleration
* work
* pressure

5) which of the following is not a fundamental unit
* cm
* kg
* centigrade
* volt

Answer 1

Answer:

1.c

2.distance

3.force

4.work

5.volt

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Answer 2

Answer:

1) - 2% 2) - luminosity 3) - force 4) - pressure 5) - volt hope it helps