PHYSICS : REVISION TEST ON TOPICS OF CLASS XI ---IV

Which has maximum number of significant figures?
0.000010
0.216
2.1 x 106
0.021
Number of significant figures in the answer of the following will be: (29.2-20.2) (1.79 x 105) 1.39
4
3
2
1
Name and symbol of the prefixes used with SI units to indicate multiplication by the following exact quantities 103, 10-2, 10-1 and 10-3 respectively are:
k, c, d, m
m, d, c, k
d, k, c, m
k, m, d, c
Which measurement represents the largest quantity?
47.3 mg
4730 ng
4.73 x 10-4 g
4.73 x 103 (g
Which choice best describes the degree of uncertainty in the measurement 16.30 g?
The uncertainty cannot be determined without additional information
The quantity is exact
( 0.10 g
( 0.01 g
What is 0.0970 written inn scientific notation?
970 x 10-4
97 x 10-3
9.70 x 10-2
97.0 x 10-2
The decimal equivalent of 1 upto 0.6 four significant figures may be written as:
1.666
1.6666
1.667
01.666
The number of significant figures in 0.00210 is:
Five
Six
Four
Three
0.00167 is written in three significant figures with scientific notation as:
1.67 x 10-3
167.0 x 10-5
16.7 x 10-4
1.670 x 10-3
17.675 is rounded off to four significant figures as:
17.68
17.67
17.6750
17.7
Description:

TPOICS: MEASUREMENT, SIGNIFICANT FIGURES,UNITS

Discussion

Teena Singh

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2032 days 7 minutes ago

Manish Harish

tucha test

4159 days 4 hours 31 minutes ago

Mohammad Aadil

nice questions!!

4163 days 1 hours 4 minutes ago

sumegha

nice

4291 days 36 minutes ago

Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE
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