#### 11th Standard Physics English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Two

11th Standard

Reg.No. :
•
•
•
•
•
•

Physics

Time : 00:10:00 Hrs
Total Marks : 10

10 x 1 = 10
1. What is the value of one light year in tera metre?

(a)

9.46 x 106Tm

(b)

9.46 x 109Tm

(c)

9.46 x 102Tm

(d)

9.46 x 103Tm

2. Distance is a scalar quantity and ______________ is a vector.

(a)

Speed

(b)

Length

(c)

Time

(d)

Displacement

3. The position vector of a particle is $\vec r=4t^2\hat i+2t\hat j+3\hat k$ . The speed of the particle at t = 5s is

(a)

42 ms-1

(b)

3 s

(c)

3 ms-1

(d)

40 ms-1

4. When a horse pulls a wagon, the force that causes the horse to move forward is the force?

(a)

the ground exerts on him

(b)

he exerts on the ground

(c)

the wagon exerts on him

(d)

the exerts on the wagon

5. A body of mass 3 kg hits a wall at an angle of 60° and returns at the same angle. The impact time was 0.2 sec. The force exerted on the wall

(a)

150$\sqrt { 3 }$ N

6. A block of mass 2 kg is placed on the floor. The co efficient of static friction is 0.4. The force of friction between the block and floor is

(a)

2.8 N

(b)

7.8 N

(c)

2 N

(d)

zero

7. A suitcase is dragged 30 m along a floor by a force of 10 N inclined at an angle 30° to the floor. The work done on the suitcase is

(a)

$150\sqrt 2J$

(b)

150J

(c)

$150\sqrt 3J$

(d)

$\sqrt 3J$

8. If a solid sphere and solid cylinder of same mass and radius rotate about their own axis the M.I. will be greater for

(a)

Solid sphere

(b)

Solid cylinder

(c)

Both (a) and (b)

(d)

Equal both

9. A fly wheel rotating about fixed axis has a kinetic energy of 360 joule when its angular speed is 30 radian/sec, The moment of inertia of the wheel about the ax is of rotation is

(a)

0.6 kgm2

(b)

0.15 kgm2

(c)

0.8 kgm2

(d)

0.75 kgm2

10. Consider a system of two particles having masses m1 and m2 If the particle of mass ml is pushed towards the mass centre of particles through a distance d, by what distance would be particle of mass m2 move so all to keep the mass centre of particles at the original position?

(a)

$\frac { m_{ 1 } }{ { m }_{ 1 }+{ m }_{ 2 } }$d

(b)

$\frac { { m }_{ 1 } }{ { m }_{ 2 } }$d

(c)

d

(d)

$\frac { { m }_{ 2 } }{ { m }_{ 1 } }$d