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Physics Fsc Part 1 Chapter 1 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | When adding or subtracting physical quantities, the absolute uncertainty in the final result is found by: | Multiplying the individual absolute uncertainties. Adding the individual absolute uncertainties. Taking the average of the individual absolute uncertainties. Subtracting the smallest from the largest individual absolute uncertainty. |
| 2 | The dimensions of momentum are: | [MLT⁻¹] [ML²T⁻²] [MLT⁻²] [ML²T⁻¹] |
| 3 | How many significant figures are in the measurement 0.004500 kg? | 3 4 5 6 |
| 4 | The prefix 'nano' represents a factor of: | 10⁻⁶ 10⁻⁹ 10⁻¹² 10⁻³ |
| 5 | Which of the following is the SI base unit for luminous intensity? | Ampere Candela Mole Kelvin |
| 6 | The most ractive metals of the periodic table are. |
<p>Alkali metals</p> <p>Alkaline metals</p> <p>Rare earth metals</p> <p>Coinage metals</p> |
| 7 | The time taken by the light to reach from sun to earth is. |
<p>1 min - 20 sec</p> <p>1 min -40 sec</p> <p>9min -20sec</p> <p>8 min - 20 sec</p> |
| 8 | One ligh year is equal to in meteres. |
<p>9.5 x 10<sup>15</sup></p> <p>9.5 x 10<sup>-15</sup></p> <p>3.1 x 102</p> <p>3.1 x 10<sup>-8</sup></p> |
| 9 | Which pair has same unit. |
<p>Work and energy</p> <p>Momentum and moment of inertia</p> <p>Force and torque</p> <p>Torque and power</p> |
| 10 | [M0 L0T-1] Refers to. |
<p>Angular velocity</p> <p>Wavelength</p> <p>Time Period</p> <p>Velocity</p> |
| 11 | Dimension of relation mc2 are equal to dimension of. |
<p>Force</p> <p>energy</p> <p>Torque</p> <p>Momentum</p> |
| 12 | Dimensions of viscosity are. |
<p>[ML-1T]</p> <p>[ML-1T-1]</p> <p>[ML-1T-2]</p> <p>[ML2T-1]</p> |
| 13 | The dimensionally correct equation of E is. |
<p>mc2</p> <p>mc</p> <p>m/c</p> <p>m2c2</p> |
| 14 | The Dimension of Power is. |
<p>[ML2T-2]</p> <p>[ML2T-3]</p> <p>[ML2T-1]</p> <p>[MLT-1]</p> |
| 15 | The Diment sions of moment of inertia are |
<p>[ML2]</p> <p>[ML-2]</p> <p>[ML3]</p> <p>[ML]</p> |
| 16 | The Dimension of freqeuncy is |
<p>[T-1]</p> <p>[LT]</p> <p>[MLT]</p> <p>[LT-1]</p> |
| 17 | The dimensions of angula momentum are. |
<p>[ML2T-1]</p> <p>[MLT-2]</p> <p>[MLT1]</p> <p>[ML2T-2]</p> |
