Physics-SI Units

NEET Physics SI Units MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following combinations about SI units is correct?

A

The SI unit for mass is kilogram, the SI unit for time is second, and plane angle is measured in degrees.

B

The SI unit for length is meter, the SI unit for time is second, and solid angle is measured in steradians.

C

The SI unit for temperature is Kelvin, the SI unit for electric current is ampere, and volume is measured in liters.

D

The SI unit for luminous intensity is candela, the SI unit for amount of substance is mole, and time is measured in hours.

Correct Answer

Option B

Detailed Explanation

In SI units, the unit for length is indeed meter and the unit for time is second. Solid angle is correctly measured in steradians, while the other options contain inaccuracies regarding units.

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