How many significant figures this rading has 0.784 cm
2 Significant Figures
1 Significant Figures
4 Significant Figures
3 Significant Figures
How many significant figures are there in reading 5000 10
1
8
10
5
The error due to change in surrounding temp will be called
Instrumental error
Random error
Systematic error
All of above
How many significant Figures this reading has 2.5400
3
6
4
Which of the following number has significant figure 4
0.001
2.021
0.300
0.020
Additian & measurement 12.241 cm, 4.51 cm & 4.0 cm in significant figure is_____________________
20.7
20.75
20.751
20.750
If length of a component is 20.15 0.02, If two such component are joined together what will be total length
40.30 0.04
40.300.02
40.30 0.08
40.30 0.01
In his low resistance is given by R = V/I error in Voltage measurement is 4% The error in current measurement is 2% The error in resistance measurement will be____________
2%
4%
8%
6%
Temp scales dgree celsius (ºC) and Kelvin are related by
ºC = K + 273
ºC + 273 = K
ºC = K / 273
ºC - 273 = K
The Length of rectangle is 1.25 cn and width is 3.354cm The area of rectange in significant figures with be____________
4.1925
4.19
4.192
4.1
Select Correct option of Qty & Unit
Qty Unit
a) Mass P) K
b) Electric Current q) A
c) Luminious Intensity r) Kg
d) Temp s) Cd
a-r , b-s , c -p , d-q
a-r , b-q , c -s , d-p
a-r , b-q , c -p , d-s
The reference standard used for measuremnet of physical quantity is called as_______________.
Quantity
Unit
Significant figure
Unit system
The Property of an object that can be measured with a measuring instruments is known as______________.
Physical system
Physical attribute
Physical quantity
Physical Unit
The property of an object which can be measured with a mearuing instrument is called___________________
Physical Quantity
Chemical Quantity
Once Ampere current is given
1A = 1C / 1 0hm
1A = 1s * 1C
1A = 1S / 1C
1A = 1C / 1S