Physics Medium Uploaded: 09 Jul 2026

Which value is equal to 2 ms?

Correct Answer: Option A — 2 x 10^-3 s

Explanation:

Milli means 10^-3, so 2 milliseconds equals 2 x 10^-3 seconds.

4 views Back to Physics

Submitted by: PaperMCQs

Which conversion is correct?

In scientific notation, the numerical part is usually written as:

Why are prefixes used with SI units?

Which number is correctly written in scientific notation?

Which prefix has the symbol n?

When a decimal point is moved to the left in scientific notation, the exponent of 10 is:

Which prefix should be used for 10^-6?

When a decimal point is moved to the right for a very small number, the exponent of 10 becomes:

Which SI prefix represents 10^3?

Which rule should be followed when adding numbers in scientific notation?