9th Physics Unit-1, Quiz-03 (Rs.12)

Student Quiz

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21. If zero of the vernier scale is on the right side of the zero of the main scale then zero error is to be:

(a) Added (b) Subtracted (c) Multiplied (d) Divided

22. If zero of the vernier scale is on the left side of the zero of the main scale then zero error is to be:

(a) Added (b) Subtracted (c) Multiplied (d) Divided

23. The least count of Screw Gauge is:

(a) 0.1 mm (b) 0.01 mm (c) 0.1 cm (d) 0.01 cm

24. Total number of divisions on the circular scale of Screw Gauge are:

(a) 10 (b) 20 (c) 100 (d) 200

25. Pitch of the screw gauge is:

(a) 1m (b) 1 mm (c) 1 cm (d) 10 mm

26. If the zero of the circular scale is above the horizontal line then the zero error will be:

(a) Positive (b) Negative (c) None of these (d) No error

27. If the zero of the circular scale is below the horizontal line then the zero error will be:

(a) Positive (b) Negative (c) None of these (d) No error

28. If the zero of the circular scale is above the horizontal line then the zero error is to be:

(a) Added (b) Subtracted (c) Multiplied (d) Divided

29. If the zero of the circular scale is below the horizontal line then the zero error is to be:

(a) Added (b) Subtracted (c) Multiplied (d) Divided

30. For scientific notation internationally accepted practice is that there should be _____ digit(s) before the decimal point.

(a) One (b) Two (c) Three (d) No

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