Welcome to your phy and measurement-4
1.
Rule of addition of errors depends on
3.
Which zero is NOT significant?
4.
Significant figures indicate
5.
Which unit is used to measure atmospheric pressure?
6.
Which is most precise?
7.
Significant figures in 1500 is
8.
Number of significant figures in 2.308 is
10.
Rule of multiplication of errors depends on
11.
Scientific notation helps in
12.
Measurement 0.050 has SF equal to
14.
Which quantity has infinite significant figures?
15.
The SI equivalent of 1 bar is approximately
16.
Counting objects gives
17.
Which is non-SI but accepted?
18.
Which digit is called the uncertain digit?
19.
Roentgen is a unit of
20.
Which of the following is NOT an SI unit but retained for general use?
21.
Absolute error is related to
23.
Which unit is used for atomic dimensions?
24.
SI discourages use of degree because
26.
The SI equivalent of 1 litre is
27.
Which is correctly rounded to 3 SF?
28.
Barn is commonly used in
29.
Which measurement is least precise?
30.
Percentage error equals
31.
Significant figures in 0.00230 are
32.
2.5 × 3.42 = result should have
34.
Which unit measures area?
36.
Significant figures help in
38.
5.0 × 10² has significant figures
40.
Which quantity has infinite significant figures?
41.
Relative error equals
42.
Exact numbers have SF
43.
Which measurement is more precise?
45.
Which does NOT affect significant figures?