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22102 Unit I online test

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Question 1

Which is SI unit of Luminous Intensity?

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Your answerChoiceScore

decibel 

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Candella 

1

Lux

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Bright 

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Question 2

The Property of an object that can be measured with a measuring instruments is known  as______________.

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Your answerChoiceScore

Physical quantity

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Physical system

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Physical Unit

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Physical attribute

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Question 3

The property of an object which can be measured with a mearuing instrument is called___________________

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Physical Unit 

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Physical attribute

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Chemical Quantity 

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Physical Quantity

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Question 4

" Bar " is Unit of 

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Pressure 

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Heat 

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Work

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Temp

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Question 5

Which of the following is a derived quantity 

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Mass 

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Weight 

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Luminious Intensity 

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Electric Current 

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Question 6

Which of the following is derived Unit ?

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Cd ( Candella) 

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N ( Newton)

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Kg ( Kilogram )

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K ( Kelvin )

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Question 7

In FPS system length is measured in,

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Centimeters 

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Foot

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Pounds 

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meters 

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Question 8

KWh ( kilo - watt - Hour ) is a unit of ______________

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Energy

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Work 

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Pressure 

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Power 

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Question 9

Dimension of Acceleration_______________

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M^1 L^1 {T^{2}}

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 M^0 L^1 {T^{1}}

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M^0 L^1 {T^{2}}

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M^0 L^1 {T^{-2}}

0
Question 10

Which of the following is fundamental unit ?

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Your answerChoiceScore

Mol 

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Kelvin 

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Candella 

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All of above

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Question 11

How many significant figures this reading has 0.0069

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4

0

2

0
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5

0

3

0
Question 12

Which of the following number has significant figure 4

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2.021

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0.020

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0.300

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0.001

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Question 13

A Good Unit should be,

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Universoly accepted

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Well defined 

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Invasiable from place to place 

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All of the above 

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Question 14

How many Significant Figures this reading has 19700

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5

0

4

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2

0

3 

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Question 15

How many significant figures this rading has 0.784 cm

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3 Significant Figures 

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1 Significant Figures 

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2 Significant Figures 

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4 Significant Figures 

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Question 16

Is x = a^{2} b/c where the percentage error in a,b,&C are 2% , 3% and 5% respectively Total percentage error in x will be_____________________

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Your answerChoiceScore

2.4%

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10%

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24%

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12%

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Question 17

Additian & measurement 12.241 cm, 4.51 cm & 4.0 cm in significant figure is_____________________

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Your answerChoiceScore

20.7

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20.75

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20.751

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20.750

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Question 18

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____________

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Your answerChoiceScore

4%

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8%

0

2%

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6%

1
Question 19

The measuremant of side of a cube has error of 2% The error in volume measurement with be__________________

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Your answerChoiceScore

0.5%

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4%

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8%

0

6%

0
Question 20

The Measurement of radius as a circle has error of 1% The error in measuremnet as its area (A) will be______________

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Your answerChoiceScore

3.14%

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1%

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Selected

0.5%

0

2%

0