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22102 Mock test

You got 1 of 21 possible points.
Your score: 5%
Question 1

Which is SI unit of Luminous Intensity?

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ChoiceCorrect?ScoreCorrect answer

Candella 

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Should have chosen

decibel 

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Bright 

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Lux

0
Question 2

Which of the Following is NOT a fundamental quantity 

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ChoiceCorrect?ScoreCorrect answer

Mass

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Length 

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Weight 

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Amount of Substance

0
Question 3

In boyles law which of the followingt is constant 

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ChoiceCorrect?ScoreCorrect answer

Pressure 

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Temperature 

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Volume 

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All of above 

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Question 4

In condutors the valancy band and Conduetion band__________________

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ChoiceCorrect?ScoreCorrect answer

Have small gap 

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have huge gap 

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overlap each other

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None of above 

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Question 5

Which of the following is NOT an insulator 

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ChoiceCorrect?ScoreCorrect answer

Copper 

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Wood 

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Mica

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Rubber 

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Question 6

When Antimony (As) is added to Pure silicon (Si) we get__________SemiCondutor

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ChoiceCorrect?ScoreCorrect answer

N-type 

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P-type

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None of above 

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Question 7

A Pentawalent Impurity is called as____________impurity 

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ChoiceCorrect?ScoreCorrect answer

Acceptor 

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Doner 

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Intrinsic 

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Exteinsic 

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Question 8

For semiconductor matereial as the temperature increases its conductivity____________________

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ChoiceCorrect?ScoreCorrect answer

Increases 

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Decreases 

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Remains  Constant 

0
Question 9

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____________

Score: 0 of 2
ChoiceCorrect?ScoreCorrect answer

8%

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4%

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6%

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Should have chosen

2%

0
Question 10

273.15 K when converted into desree celcius will become________________

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ChoiceCorrect?ScoreCorrect answer

32ºC

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273ºC

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100ºC

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0ºC

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Question 11

The Boiling point of water in Kelvin scale of temperature is _______________

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ChoiceCorrect?ScoreCorrect answer

100 K

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373 K

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212 K

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273 K

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Question 12

Which of the following number has significant figure 4

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ChoiceCorrect?ScoreCorrect answer

0.001

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2.021

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Should have chosen

0.020

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0.300

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Question 13

Electrons in atom are_______________changed 

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ChoiceCorrect?ScoreCorrect answer

Positive 

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Negative 

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Neutal 

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None of above 

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Question 14

Potential of Earth is Considered as____________________________

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ChoiceCorrect?ScoreCorrect answer

Zero 

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100 Millions

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10^{6}

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In finity 

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Question 15

SI unit of Electric resistancfe is _________________________

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ChoiceCorrect?ScoreCorrect answer

Coulombs 

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Volts 

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Ohm 

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Ampere 

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Question 16

Which mode of heat transfer takes place without actual migration of particiles 

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ChoiceCorrect?ScoreCorrect answer

Conduction 

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Conveection 

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Radiatiion 

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None of above

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Question 17

The ratio CP/CV is______________________

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ChoiceCorrect?ScoreCorrect answer

Less than 1 

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Equal to 1

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Greater than 1

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Equal to 0.5

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Question 18

Which mode of heat transfer is fastest as all other modes 

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ChoiceCorrect?ScoreCorrect answer

Conduction 

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Convection 

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Radilation 

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None of above 

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Question 19

Which mode of heat transfer can take place even without a medium 

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ChoiceCorrect?ScoreCorrect answer

Condultion

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Convection 

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Raliation 

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Should have chosen

None of abve 

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Question 20

There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because 

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Glass has good reflective porperty 

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Glass is good conductor of Heat 

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Glass is light in weight 

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Glass is bad conductor of heat 

Correct
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Should have chosen