Physics Medium Uploaded: 09 Jul 2026

Which number is correctly written in scientific notation?

Correct Answer: Option C — 5.20 x 10^4

Explanation:

In proper scientific notation, only one non-zero digit is written before the decimal point.

5 views Back to Physics

Submitted by: PaperMCQs

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

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

Which value is equal to 2 ms?

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

Which conversion is correct?

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

Why are prefixes used with SI units?

The least count of a measuring instrument means:

Which prefix has the symbol n?

Which practice helps reduce parallax error while using a metre rule?