Punjab 11th Class Physics Chapter 1 Measurements Mcqs Test Online Physics Chapter 1 Measurements Mcqs Test Online 11th Class Punjab 1234567891011121314151617Show paginator Hide paginator 6% Question 1 of 17Physics 1. What is the ratio 1μm/1Gm ? 10⁻¹⁵10⁻¹² 10⁻⁹ 10⁻³ Question 1 of 17Question 2 of 17 2. 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 V=pgh V=vygb None of these V=n₃/v Question 2 of 17Question 3 of 17 3. 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⁻²a.9.819.799.849.839.79b.9.8110.129.898.949.42c.9.459.218.998.768.51d.8.458.468.58.418.47CABDQuestion 3 of 17Question 4 of 17 4. The scientific notation of a number 0.0023 is expressed as 2.3 x 10⁻⁴ 2.3 x 10⁻³ 0.023 x 10⁻² 0.23 x 10³ Question 4 of 17Question 5 of 17 5. Which one is the least sub multiple? atto pico femto neonQuestion 5 of 17Question 6 of 17 6. Which of the following correctly represent the S.I. unit of pressure? Newton meter⁻² Newton Newton²m⁻¹ Newton⁻¹ Question 6 of 17Question 7 of 17 7. The equation relating pressure and density is p = pgh. How can both sides of this equation be written in terms of base units? [kgm⁻¹s⁻¹] = [kgm⁻¹][ms⁻²][m][Nm⁻¹] = [kgm⁻³][ms⁻¹][m] [Nm⁻²] = [kgm⁻³][ms⁻²][m] [kgm⁻¹s⁻²] = [kgm⁻³][ms⁻²][m] Question 7 of 17Question 8 of 17 8. 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. 2.6% 4.1% 3.1% 2.1% Question 8 of 17Question 9 of 17 9. Which of the following quantities has not been expressed in proper units? Energy = kg ms⁻² stress/strain = newton metre⁻² Force = kg ms⁻² Pressure – Newton m s⁻²Question 9 of 17Question 10 of 17 10. A student measured the diameter of wire using a screw gauge with least count 0.001 cm. The correct measurement is 5.3 cm 5.320 cm 5.32 cm 5.3200 cmQuestion 10 of 17Question 11 of 17 11. The dimensions of frequency f are __________. [MT⁻¹][LT⁻¹] [T²] [T⁻¹] Question 11 of 17Question 12 of 17 12. What is the SI unit of constant k in the following equation? Where F=6πηrv, where F=force v=velocity r=radius. Kg ms kg⁻¹ m² s Kg m⁻¹s¹ kgm²s²Question 12 of 17Question 13 of 17 13. 1km/1Gm = ………………………………? 10⁶ 10⁻⁶m 10μ μ Question 13 of 17Question 14 of 17 14. In a cricket match, 500 spectators are counted one by one. How many significant figures will be there in the final result? 0 1 2 3 Question 14 of 17Question 15 of 17 15. One fem to is equal to _________ 10⁻¹⁵ s 10⁻¹⁶ s 10⁻⁹ s 10¹⁵ s Question 15 of 17Question 16 of 17 16. Which one is a pair of SI base units? Coulomb, Second Kilogram, Kelvin Ampere, Joule Meter, Newton Question 16 of 17Question 17 of 17 17. Which of the following is a smallest value? 1Gm x 1 Em A nm x 1m1mm x 1 pm 1cm x 1km Question 17 of 17 Loading... Test By Subject Punjab Test By Topics 11th Class Physics You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.