Oquizy

Two forces of 5 N and 12 N act at right angles. What is the magnitude of the resultant force?

12 N 13 N 17 N 7 N

Which measuring instrument is best for measuring the diameter of a thin wire?

Measuring tape Metre rule Micrometer screw gauge Thermometer

The ohm (Ω) is the SI unit of electrical resistance. It is defined as the potential difference of one volt per ampere of current. Which of the following expresses the ohm in base SI units?

kg·m²·s⁻²·A⁻¹ kg·m²·s⁻³·A⁻² kg·m²·s⁻³·A⁻¹ kg·m·s⁻²

Which is the correct scientific notation for 0.00045 m?

4.5 × 10⁴ m 4.5 × 10⁻³ m 4.5 × 10⁻⁴ m 45 × 10⁻⁵ m

Which of the following is a base SI quantity?

Energy Force Speed Temperature

Convert 5.0 × 10⁶ decagrams (dag) to micrograms (µg).

5 × 10¹² µg 5 × 10¹³ µg 5 × 10¹¹ µg 5 × 10¹⁰ µg

Quiz: Physics - Physical Quantities, Units And Measurement