Punjab 11th Class Physics Chapter 1 Measurements Mcqs Test Online

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You can prepare for Punjab 11th Class Physics Chapter 1 Measurements Mcqs Test Online by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

1. A series of measurements of the acceleration of free fall g is shown in the table which set of results is precise but not accurate?

g/ms⁻²
a.	9.81	9.79	9.84	9.83	9.79
b.	9.81	10.12	9.89	8.94	9.42
c.	9.45	9.21	8.99	8.76	8.51
d.	8.45	8.46	8.5	8.41	8.47

Question 2

2. 1km/1Gm = ………………………………?

Question 3

3. Which of the following quantities has not been expressed in proper units?

Answer

Energy = kg ms⁻²

Answer

Pressure – Newton m s⁻²

Answer

stress/strain = newton metre⁻²

Answer

Force = kg ms⁻²

Question 4

4. Which of the following is a smallest value?

Answer

1mm x 1 pm

Answer

1Gm x 1 Em

Question 5

5. Which one is the least sub multiple?

Question 6

6. A mass m has acceleration a.it moves through a distance s in time t. The power used in accelerating the mass is equal to the product of force and velocity. The percentage uncertainties are 0.1% in m, 1% in a, 1.5% in s, 0.5 in t.

Question 7

7. What is the ratio 1μm/1Gm ?

Answer

10⁻¹⁵

Question 8

8. Which of the following may be used as a valid formula to calculate speed of ocean waves? v = speed, g = acceleration due to gravity, y = wave length, p = density, h=depth

Answer

None of these

Question 9

9. Which of the following correctly represent the S.I. unit of pressure?

Answer

Newton²m⁻¹

Answer

Newton⁻¹

Answer

Newton meter⁻²

Question 10

10. A student measured the diameter of wire using a screw gauge with least count 0.001 cm. The correct measurement is

Question 11

11. Which one is a pair of SI base units?

Answer

Kilogram, Kelvin

Answer

Meter, Newton

Answer

Ampere, Joule

Answer

Coulomb, Second

Question 12

12. One fem to is equal to _________

Answer

10⁻⁹ s

Answer

10⁻¹⁵ s

Answer

10⁻¹⁶ s

Question 13

13. What is the SI unit of constant k in the following equation? Where F=6πηrv, where F=force v=velocity r=radius.

Answer

Kg m⁻¹s¹

Answer

kg⁻¹ m² s

Question 14

14. The equation relating pressure and density is p = pgh. How can both sides of this equation be written in terms of base units?

Answer

[Nm⁻²] = [kgm⁻³][ms⁻²][m]

Answer

[kgm⁻¹s⁻¹] = [kgm⁻¹][ms⁻²][m]

Answer

[kgm⁻¹s⁻²] = [kgm⁻³][ms⁻²][m]

Answer

[Nm⁻¹] = [kgm⁻³][ms⁻¹][m]

Question 15

15. In a cricket match, 500 spectators are counted one by one. How many significant figures will be there in the final result?

Question 16

16. The dimensions of frequency f are __________.

Question 17

17. The scientific notation of a number 0.0023 is expressed as

Answer

0.023 x 10⁻²

Answer

2.3 x 10⁻⁴

Answer

0.23 x 10³

Answer

2.3 x 10⁻³

Question 18

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Punjab 11th Class Physics Chapter 1 Measurements Mcqs Test Online

Physics Chapter 1 Measurements Mcqs Test Online 11th Class Punjab

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