First Year Physics Chapter 1 Online MCQ Test for 1st Year Physics Chapter 1 (Measurements)


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Physics ICS Part 1 Chapter 1 Online Test

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Question # 1

Which of the following is the SI base unit for luminous intensity?

Question # 2

The ratio of the dimensions of force and eenrgy is.

Question # 3

Significant figures in 0.0004813 are

Question # 4

A precise measurement is the one which has

Question # 5

The unit of pressure is.

Question # 6

For total acssessment of uncertinty in the final result obtained by multiplication and division

Question # 7

When adding or subtracting physical quantities, the absolute uncertainty in the final result is found by:

Question # 8

The dimensionally correct equation of E is.

Question # 9

The diameter of a steel ball is measrued using a Vernier callipers and its eading is shown in the figure. whant is the diameer ofthe stell ball.

Question # 10

How many significant figures are in the measurement 0.004500 kg?

Question # 11

The time taken by the light to reach from sun to earth is.

Question # 12

SI Unit of electric current.

Question # 13

The number of significant figures of a measureent are define das.

Question # 14

SI Unit of intensity of light is.

Question # 15

When rounded off upto three significnat figures the value 6.835is written as.

Question # 16

One kilo mean

Question # 17

The most ractive metals of the periodic table are.

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FSc Part 1 Physics (New Book) Important MCQ's

Sr.# Question Answer
1

The answer to the mathematical division (45.2 x 6.0) in appropriate numebr of significant figures is.

A.

7.5

B.

7.53

C.

7.533

D.

7.5333

2

The most ractive metals of the periodic table are.

A.

Alkali metals

B.

Alkaline metals

C.

Rare earth metals

D.

Coinage metals

3

The number of significant figures of a measureent are define das.

A.

They reflect the accuracy of the observation in a measurement 

B.

They are teh figures which are reasonably reliable

C.

They are the accurately known digits and the first doubtful digit of measurement 

D.

All of the above

4

One centi is equal

A.

10-3

B.

10-2

C.

102

D.

10-6

5

The time taken by the light to reach from sun to earth is.

A.

1 min - 20 sec

B.

1 min -40 sec

C.

9min -20sec

D.

8 min - 20 sec

6

The least count of aninstrument determines

A.

Precision of a measurment

B.

Accuracy of a measurement 

C.

Factinal uncertainty of a measuremnet 

D.

Percentage uncertainty of a measurement

7

[M0 L0T-1] Refers to.

A.

Angular velocity

B.

Wavelength

C.

Time Period

D.

Velocity

8 How many significant figures are in the measurement 0.004500 kg?
A. 3
B. 4
C. 5
D. 6
9

One ligh year is equal to in meteres.

A.

9.5 x 1015

B.

9.5 x 10-15

C.

3.1 x 102

D.

3.1 x 10-8

10

Dimension of relation mc2 are equal to dimension of.

A.

Force

B.

energy

C.

Torque

D.

Momentum

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