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Physics 9 Chapter 1 - Physical Quantities and Measurements - 15
1.
To find the zero error, how the jaws of Vernier Callipers should be closed
a) Very slowly
b) Fastly
c) Rudely
d) Gently
2.
Which instrument is most suitable for measuring the internal diameter of the test tube
a) Screw gauge
b) Measuring tape
c) Vernier calliper
d) Metre rule
3.
If zero line of the vernier scale coincides with the zero of the main scale then what is the zero error
a) 1
b) 3
c) 2
d) 0
4.
Zero error will be .......................if zero line of vernier scale is on the right side of the zero of the main scale?
a) Negative
b) None of these
c) Positive
d) Zero
5.
Zero error will be .................. if zero line of vernier scale is on the left side of zero of the main scale?
a) Zero
b) None of these
c) Positive
d) Negative
6.
For taking a reading on Vernier Callipers, the cylinder should be placed...........................?
a) Vertically
b) Parallel
c) Cross-section wise
d) Horizontally
7.
At least how many observations should be recorded to find the diameter of the solid cylinder?
a) One
b) Five
c) Three
d) Two
8.
If 7th line of vernier scale is coinciding with the main scale, then what is the positive zero error
a) +0.09cm
b) +0.07cm
c) +0.08cm
d) +0.03cm
9.
If 8th line of vernier scale is coinciding with the main scale, then what is the negative zero error
a) -0.02cm
b) -0.09cm
c) -0.08cm
d) -0.01cm
10.
What is the least count of digital Vernier Callipers?
a) 0.01cm
b) 0.01cm
c) 0.001cm
d) 0.01mm
11.
What is the other name of screw gauge
a) Vernier gauge
b) Macrometre
c) Micrometre
d) None of these
12.
Which of the following is present in a simple screw gauge?
a) All are present
b) Metal frame
c) Hollow cylinder
d) Metal stud
13.
What is the shape of metal frame?
a) L-shaped
b) V-shaped
c) U-shaped
d) M-shaped
14.
What is attached to the other side of metal frame?
a) Metal stud
b) Ratchet
c) Circular scale
d) Sleeve
15.
What is hollow cylinder called?
a) Thimble
b) Stud
c) Sleeve
d) Spindle
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