Basics Mathematics (3300001) MCQs

MCQs of Vectors

Showing 1 to 10 out of 50 Questions
1.

For u=1,2-1 and v=2,-1,2 then u+2v=______

જો u=1,2-1 અને v=2,-1,2 હોય તો u+2v=______

(a)

2,1,-1

(b)

3,1,1

(c)

5,0,3

(d)

4,3,0

Answer:

Option (c)

2.

For vectors u¯ and v¯ vector ______ perpendicular to both u¯ and v¯

જો સદીશ u¯ and v¯ માટે ______ સદીશ u¯ અને v¯ બન્ને ને લંબ થશે.

(a)

v¯

(b)

u¯

(c)

u¯.v¯

(d)

u¯ +v¯

Answer:

Option (c)

3.

If u¯=2i+j+2k then u¯=______

જો u¯=2i+j+2k હોય તો u¯=______

(a)

2

(b)

3

(c)

9

(d)

10

Answer:

Option (b)

4.

If vectors u¯ and v¯ are parallel vectors then ______

જો સદીશ u¯ અને v¯ પરસ્પર સમાંતર હોય તો ______

(a)

u¯ ×v¯=0

(b)

u¯ ×v¯=1

(c)

u¯ ×v¯=2

(d)

u¯.v¯ =0

Answer:

Option (a)

5.

______ is not a unit vector.

______ એક્મ સદીશ નથી.

(a)

(1,3)

(b)

(0,1)

(c)

(1,0)

(d)

(-1,0)

Answer:

Option (a)

6.

If u¯ =1,2,1 and v¯ =2,1,1 then u¯ . v¯ =______

જો  u¯ =1,2,1 અને v¯ =2,1,1 હોય તો u¯ . v¯ =______

(a)

5

(b)

0

(c)

4

(d)

1

Answer:

Option (a)

7.

If u¯ =2i+4j-k and v¯ =3i-j+3mk are perpendicular than m=______

જો u¯ =2i+4j-k અને v¯ =3i-j+3mk લંબ સદીશો હોય તો m=______

(a)

23

(b)

32

(c)

12

(d)

-12

Answer:

Option (a)

8.

Direction cosines of the vector 1,1,1 are ______

સદીશ 1,1,1 નાં દીક્કોસાઈનો ______ છે.

(a)

1,1,1

(b)

3,3,3

(c)

13,13,13

(d)

None of these

આમાંના એક પણ નહિ

Answer:

Option (c)

9.

For u¯=1,2,1 and v¯=2,1,1 then u¯×v¯=______

સદીશ u¯=1,2,1 અને v¯=2,1,1 માટે u¯×v¯=______

(a)

1,2,1,

(b)

1,1,3,

(c)

1,-2,1,

(d)

1,1,-3,

Answer:

Option (d)

10.

u¯ ×u¯ -v¯=______

(a)

u¯

(b)

v¯

(c)

0¯

(d)

None of these

આમાંનું એક પણ નહી

Answer:

Option (d)

Showing 1 to 10 out of 50 Questions