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## Previous Year Papers

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Class 10 Class 12

At what angle do the two vectors of magnitude A + B and A - B act so that their resultant is ?

The magnitude of the resultant of two vectors  acting at angle  is given by,

Here,       P = A + B,        Q = A - B

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What are the basic characteristics that a quantity must possess so that it may be a vector quantity?

A quantity must possess the direction and must follow the vector axioms. Any quantity that follows the vector axioms are classified as vectors.

814 Views

What is a scalar quantity?

A physical quantity that requires only magnitude for its complete specification is called a scalar quantity.
1212 Views

What is a vector quantity?

A physical quantity that requires direction along with magnitude, for its complete specification is called a vector quantity.
835 Views

Give three examples of vector quantities.

Force, impulse and momentum.
865 Views

Give three examples of scalar quantities.

Mass, temperature and energy
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