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

SI unit is built up by how many kinds of units

Question # 2

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

Question # 3

The scientific notation of numebr 0.0023 is expressed.

Question # 4

The purpose  of stdy and discovereties in Physics in.

Question # 5

The prefix 'nano' represents a factor of:

Question # 6

SI Unit of intensity of light is.

Question # 7

The percentage uncertainty in measurement of mass and velocity are 2% and 3% , the maxium uncertainty in the measurement of kinetic energy is.

Question # 8

The Dimension of Power is.

Question # 9

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

Question # 10

The least count of aninstrument determines

Question # 11

The numebr of significant figures in the measrued mass 2500.0 kg is

Question # 12

SI Unit of angular velocity are.

Question # 13

SI Unit of angular momentum are.

Question # 14

The Dimension of freqeuncy is

Question # 15

The value 56.8546 cna be rounded off up to three signficant figures.

Question # 16

The unit of pressure in base unti is.

Question # 17

The dimensions of weight are.

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

Sr.# Question Answer
1

The sum 12 kg +2.02 kg+5.1 kg accoridng to appropriate precision is
A.

19 kg

B.

19.0 kg

C.

19.1 kg

D.

19.12 kg
2

The sum of three numbers, 2.7543, 4.10 and 1.273, up -to corrent decimal place is
A.

8.13

B.

8.12

C.

8.1273

D.

8.127
3

SI Unit of intensity of light is.
A.

Mole

B.

Candela

C.

Kelvin

D.

Ampere
4

The value 56.8546 cna be rounded off up to three signficant figures.
A.

56.8

B.

56.9

C.

56.7

D.

56.86
5

The dimensions of angula momentum are.
A.

[ML2T-1]

B.

[MLT-2]

C.

[MLT1]

D.

[ML2T-2]
6

Dimension of relation mc2 are equal to dimension of.
A.

Force

B.

energy

C.

Torque

D.

Momentum
7

The dimensionally correct equation of E is.
A.

mc2

B.

mc

C.

m/c

D.

m2c2
8

Physical quantites are oftern divided into.
A.

two categories

B.

Three categories

C.

Four Categories

D.

Five categories
9

The numebr of significant figures in the measrued mass 2500.0 kg is
A.

Two

B.

Three

C.

Four

D.

Five
10

The unit of pressure is.
A.

Nm-2

B.

Nm

C.

N2 m-1

D.

N2 m

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