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22102 Mock test

You got 8 of 21 possible points.
Your score: 38%
Question 1

Dimension of Force 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

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

0

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

Incorrect
0

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

0

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

0
Should have chosen
Question 2

The reference standard used for measuremnet of physical quantity is called as_______________.

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Quantity

0

Unit

Correct
1
Should have chosen

Significant figure

0

Unit system

0
Question 3

For which materials as the temperature increanes condutiwity decreases 

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Insulator 

0

Semi-Conductor

0

None of abve 

0

Conduetor 

Correct
1
Should have chosen
Question 4

Silicon (Si) and Germanium (Ge) are _______________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Trivalent 

0

Pentavalent 

0
Should have chosen

Tetavalent 

Incorrect
0

Divalent 

0
Question 5

In N - Type Semiconductor mayjority carriers are______________--

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Holes 

0

Electrons 

Correct
1
Should have chosen

Both of above 

0

None of above 

0
Question 6

Who are minority  change Carriers is P-type semi-conductors 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

None of above 

0

Electrons 

0
Should have chosen

Both of above 

Incorrect
0

Holes 

0
Question 7

For semiconductor matereial as the temperature increases its conductivity____________________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Decreases 

Incorrect
0

Increases 

0
Should have chosen

Remains  Constant 

0
Question 8

Who are minority  change Carriers is N-type semi-conductors 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Both of above 

0

Electrons 

0

Holes 

0
Should have chosen

None of above

Incorrect
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

4%

0

2%

Incorrect
0

6%

0
Should have chosen

8%

0
Question 10

100ºC will be when converted into kelvin will become 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

212 K

0

373 K

0
Should have chosen

-273 K

Incorrect
0

273 K

0
Question 11

A Cup of tea kept on table losses its heat by______________process 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Conduction 

0

Convection 

0

Radiation 

Incorrect
0

All of above 

0
Should have chosen
Question 12

How many significant figures are there in reading 5000 \times 10^{6}

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

5

0

1

Correct
1
Should have chosen

10

0

8

0
Question 13

According to ohms law current is directly proprtional to______________________

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Voltage 

Correct
1
Should have chosen

Resistance 

0

Charge 

0

Magnetic filed 

0
Question 14

Unlike charges________________each Other 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Neither attract nor repel 

0

None of above 

0

Attract 

0
Should have chosen

Repet 

Incorrect
0
Question 15

According to coulombs law Force of attraction is directly propartional to____________________________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Mutipuication of Charges 

0
Should have chosen

Square root of distance between charges 

0

Square of distances between charges 

0

Distance between charges 

Incorrect
0
Question 16

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

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Conduction 

0
Should have chosen

Conveection 

Incorrect
0

Radiatiion 

0

None of above

0
Question 17

Which mode of heat transfer is slowest of all other models 

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Convection 

0

Conduction 

Correct
1
Should have chosen

Radiation 

0

None of above 

0
Question 18

Which of the follwoing material is bad wnductor of heat 

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Aluminium 

0

Glass 

Correct
1
Should have chosen

Steel 

0

Copper 

0
Question 19

Conduction is ___________than convection 

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Slower 

Correct
1
Should have chosen

Faster 

0

Medium 

0
Question 20

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

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Glass is light in weight 

0

Glass is bad conductor of heat 

0
Should have chosen

Glass is good conductor of Heat 

0

Glass has good reflective porperty 

0