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

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

Question # 2

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

Question # 3

A precise measurement is the one which has

Question # 4

The ratio of the dimensions of force and eenrgy is.

Question # 5

The most ractive metals of the periodic table are.

Question # 6

The dimensions of weight are.

Question # 7

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

Question # 8

SI Unit of angular velocity are.

Question # 9

Which pair has same unit.

Question # 10

The dimensions of angula momentum are.

Question # 11

Physical quantites are oftern divided into.

Question # 12

How many significant figures are in the measurement 0.004500 kg?

Question # 13

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

Question # 14

One ligh year is equal to in meteres.

Question # 15

Identify whcih pari fromt he following does not have identical dimension.

Question # 16

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

Question # 17

Significant figures in 0.0004813 are

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

Sr.# Question Answer
1

The unit of pressure in base unti is.

A.

kg m-1 s-2

B.

kg m-1 S2

C.

kg ms-2

D.

None of above

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

Which pair has same unit.

A.

Work and energy

B.

Momentum and moment of inertia

C.

Force and torque

D.

Torque and power

4

The dimensionally correct equation of E is.

A.

mc2

B.

mc

C.

m/c

D.

m2c2

5 The dimensions of momentum are:
A. [MLT⁻¹]
B. [ML²T⁻²]
C. [MLT⁻²]
D. [ML²T⁻¹]
6

[M0 L0T-1] Refers to.

A.

Angular velocity

B.

Wavelength

C.

Time Period

D.

Velocity

7

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

A.

Absolut euncetainties are added

B.

Uncertainties are multiplied

C.

%age uncertainties are added

D.

Erros are added

8

The scientific notation of numebr 0.0023 is expressed.

A.

2.3 x 10-3

B.

0.2.3 x 10-3

C.

2.3 x 10-4

D.

02.3 x 104

9

The Diment sions of moment of inertia are

A.

[ML2]

B.

[ML-2]

C.

[ML3]

D.

[ML]

10

The length of  steel pipe is in between 0.7 m to 0.8 m. Identify from the following. the appropriate instruemnt to be used for an accuracy of 0.001 m.

A.

A micrometer screw gauge

B.

A metre rule

C.

A ten meteres measuring tape

D.

A vernier callipers

Test Questions