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NEET UG PHYSICS MCQ: MOTION IN PLANE

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Understanding +4 | -1

Consider the following statements and select the correct statements from the following.
I. Addition and subtraction of scalars make sense only for quantities with same units
II. Multiplication and division of scalars with different units is possible
III. Addition, subtraction, multiplication and division of scalars with same unit is possible

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Correct option: D

I, II and III

Option D (I, II and III) is correct because all three statements regarding scalar operations and units are valid.

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\mathrm{\vec a}\,and\,\mathrm{\vec b}

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\mathrm{\vec a}\,and\,\mathrm{\vec b}

\overrightarrow P \,\,.\,\,\overrightarrow Q = 0\,and\,\overrightarrow P \,\, \times \,\,\overrightarrow Q = 0

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\overrightarrow Q \,and\,\overrightarrow R

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\vec{B}=6 \hat{i}+8 \hat{j}

A

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\overrightarrow{\mathrm{B}}

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{\cot ^{ - 1}}\left( 2 \right)

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