11th class Physics chapter 2 online mcq test with answers for ICS part 1 Physics chapter 2(Vectors and Equilibrium)

Question # 1

The scalar product of two vectors will be maximum if they are.

Parallel
A
Perpedicular
B
Anti Parallel
C
All of these
D

Question # 2

Maximum number of rectangular components of a vector in 2- dimenstion may be

One
A
Two
B
Three
C
Infinite
D

Question # 3

During the projectile motion the horizontal component of velocity

Changes with time
A
Becomes zero
B
Does not changes
C
Increase with time
D

Question # 4

The SI unit of momentum is.

Kg ms
A
Kg ms -2
B
kg m2 s
C
kg 2 m-1
D

Question # 5

Motion of projectile is.

One dimensional
A
Two dimensional
B
Three dimensional
C
None of the above
D

Question # 6

The angle at which dot product becomes equal to cross product.

45^o
A
65^o
B
75^o
C
35^o
D

Question # 7

Name the quantity which is a vector

Power
A
Density
B
Impulse
C
Charge
D

Question # 8

Rocket ejects the burnt gasses at a speed of over (consuming fuel at rate of 10000kg/s)

4000 m/s
A
400 m/s
B
40000 cm/s
C
400 cm/s
D

Question # 9

For what angle of projection projectile has maximum horizontal range

45^o
A
90^o
B
0^o
C
30^o
D

Question # 10

A body thrown upward making certain angel with the horizontal and moving freely under the action of gravity is called.

Rocket
A
Satellite
B
Projectile
C
Space ship
D

Question # 11

If a force of 10 N makes an angle of 30^o with x-axis its y-component is given by

8.66 N
A
0 N
B
0.776 N
C
5 N
D

Question # 12

The rate of change of momentum is

Force
A
Impulse
B
Acceleration
C
Power
D

Question # 13

A collision in whcih both K.E. and momentum are conseverd.

Elastic collision
A
Inelastic ollision
B
Both elasic and inclastic
C
Norther elastic nor inclastic
D

Question # 14

If A x B = 0 then it is concluded that.

A and B ar e to each other
A
A and B are parallel to each other
B
A and B are position vectors
C
A and B are unti vectors
D

Question # 15

If A.B =0 when vector A and B are parallel or anti paralled, then either A or B is a

Equal
A
Null Vector
B
Perpendicular
C
Not Zero
D

Question # 16

The projectile gains its maximum gh at an angle of.hei

0^o
A
45^o
B
60^o
C
90^o
D

Question # 17

As rocket moves upwrd during its journey, then its acceleration goes on.

Increasing
A
Decreasing
B
Remains same
C
It moves with uniform velocity
D

Sr.#	Question	Answer
1	If A.B =0 when vector A and B are parallel or anti paralled, then either A or B is a	A. Equal B. Null Vector C. Perpendicular D. Not Zero
2	The Fs of force F of magnitude 30 N making an angle of 60^o with x -axis	A. 7 N B. 15 N C. 10 N D. 5 N
3	During the projectile motion the horizontal component of velocity	A. Changes with time B. Becomes zero C. Does not changes D. Increase with time
4	The rate of change of momentum is	A. Force B. Impulse C. Acceleration D. Power
5	For what angle of projection projectile has maximum horizontal range	A. 45^o B. 90^o C. 0^o D. 30^o
6	The cross product of vector A with itself is equal to.	A. A B. 1 C. 2 A D. Null Vector
7	The SI unit of momentum is.	A. Kg ms B. Kg ms -2 C. kg m2 s D. kg 2 m-1
8	A collision in whcih both K.E. and momentum are conseverd.	A. Elastic collision B. Inelastic ollision C. Both elasic and inclastic D. Norther elastic nor inclastic
9	Maximum number of rectangular components of a vector in 2- dimenstion may be	A. One B. Two C. Three D. Infinite
10	The resultant of two forece 3 N and 4 N actign parallel to each other is.	A. 4 N B. 7 N C. 1 N D. 6 N

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The scalar product of two vectors will be maximum if they are.

Maximum number of rectangular components of a vector in 2- dimenstion may be

During the projectile motion the horizontal component of velocity

The SI unit of momentum is.

Motion of projectile is.

The angle at which dot product becomes equal to cross product.

Name the quantity which is a vector

Rocket ejects the burnt gasses at a speed of over (consuming fuel at rate of 10000kg/s)

For what angle of projection projectile has maximum horizontal range

A body thrown upward making certain angel with the horizontal and moving freely under the action of gravity is called.

If a force of 10 N makes an angle of 30o with x-axis its y-component is given by

The rate of change of momentum is

A collision in whcih both K.E. and momentum are conseverd.

If A x B = 0 then it is concluded that.

If A.B =0 when vector A and B are parallel or anti paralled, then either A or B is a

The projectile gains its maximum gh at an angle of.hei

As rocket moves upwrd during its journey, then its acceleration goes on.

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If a force of 10 N makes an angle of 30^o with x-axis its y-component is given by