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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1858 days 17 hours 51 minutes ago

Manish Harish

tucha test

3985 days 22 hours 14 minutes ago

Mohammad Aadil

nice questions!!

3989 days 18 hours 48 minutes ago

sumegha

nice

4117 days 18 hours 20 minutes ago

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