Day 14 MCQs

Quantities which can be specified by a number having appropriate units (positive, negative, zero) are called

• a) Scalar
• b) Vector
• c) Physical units
• d) Chemical units

The addition, subtraction and multiplication of scalars takes place by usual

• c) Graphical method
• Theoretical method
• Arithmetic rules
• None of these

If a vector is divided by its magnitude, we get

• A unit vector
• A null vector
• ) Position vector
• A free vector

The property A.B=B.A in scalar product is called

• ) Commutative property
• ) Associative property
• ) Multiplication inverse
• ) Additive inverse

The scalar product of two equal vector i.e. A.A is equal to

• a) A vector
• ) Square of the magnitude of vector
• ) Unit vector
• Null vector

Powers accused Kreton of being a _________.

• spy
• actor
• athlete
• magician

Kreton had this superpower ________.

• getting invisible
• mind reading
• future telling
• changing forms

_______ called General Powers on telephone.

• President
• Prime Minister
• Chief of Staff
• Minister

Kreton correctly told Powers that he was thinking about ___________.

• getting famous
• his promotion
• killing Kreton
• making money

Roger Spelding was a ____________.

• Policeman
• Detective
• Farmer
• TV Commentator