Errors in Measurements in Physics Multiple Choice Questions (MCQ) PDF - 64

MCQ 316: Systematic error occurred due to the poor calibration of the instrument that can be corrected by

1. taking several readings
2. replacing instruments
3. taking mean of values
4. taking median of values

MCQ 317: Ideal standard for measuring base quantities mainly involves

1. 2 characteristics
2. 3 characteristics
3. 4 characteristics
4. 5 characteristics

MCQ 318: If fluid is incompressible and is steady, its mass is

1. increasing
2. decreasing
3. same
4. conserved

MCQ 319: In moving coil galvanometer, the pole faces of U-shaped magnet are made concave

1. to make the field radial
2. to increase the field
3. to weaken field
4. both a and b

MCQ 320: A ball is thrown from height of 10m with the velocity 21 m s^-1, it will hit the ground at

1. 30 m s^-1
2. 31 m s^-1
3. 32 m s^-1
4. 35 m s^-1