EASY
11th West Bengal Board
IMPORTANT
Earn 100

What are direction cosines ? What is the relation between them?

Important Questions on Scalars and Vectors

EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 12
What is a vector product?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 13
How is null vector defined ? What is its use?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 14
Scalar product of two given vectors is zero. What does it imply?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 15
Vector product of two given vectors is zero. What does it imply ?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 16
If A→·B→=A→·C→, does it imply that B→=C→?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 17
If A→×B→=A→×C→, does it imply that B→=C→?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 18
All the components of a vector are reversed. What would be the effect on the vector?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 19
Why is cross product of two vectors non-commutative?