Oquizy

Which of the following is a scalar quantity?

Displacement Force Mass Velocity

1 megawatt is equal to:

10 000 W 100000 W 1000000 W 10000000 W

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 pair correctly represents a scalar and a vector?

Impulse and force Mass and displacement Velocity and acceleration Work and time

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

What is the final reading from the micrometer screw gauge?

8.20 mm 8.23 mm 8.25 mm 8.27 mm

Quiz: Physics - Physical Quantities, Units And Measurement