Free Printable PERIODIC QUIZ FOR XI B PHYSICS

1.

$Find\ \frac{\text{d}x}{\text{d}y}\ of\ \sin\ 2x$

a)

cos 2x

b)

sin2x

c)

2cos 2x

d)

sinx cos x

2.

$Evaluate\ \int\left(\ 3x+7\right)^7\ dx$

a)

3x

b)

x+7

c)

3x+7

d)

$\ \frac{1}{24}\left(3x+7\right)^8\ \ \$

3.

Give approximate ratio of 1 AU and 1 light year

a)

$10^{-7}$

b)

$10^{-5}$

c)

$10^{-15}$

d)

1/23

4.

The dimensional formula of Coefficient of Elasticity is

a)

\lfloor M\ L^{2_{\ _{ }\ \ }}

b)

$\lceil M\ L^{-1}\ T^{-2}\ \rceil$

c)

$\lceil M\ L\ T^2\rceil$

d)

$\lceil M^2\ L\ T\rceil$

5.

Relative error = ---------------------------

(a)

6.

What does slope of position time graph represent ?

a)

Displace ment

b)

Speed

c)

Acceleration

d)

Retardation

7.

What does the area under velocity -Time graph represent ?

a)

Diatance

b)

Speed

c)

Velocity

d)

Displacement

8.

What is the distance travelled by afreely falling body during ist second of its motion ? Given that g=10mper second

a)

10ft

b)

12ft

c)

5 ft

d)

20ft

9.

Can the rectangular component of a vector be greater than the vector itself ?

a)

yes

b)

No

c)

Both

d)

None of above

10.

A quantity has both magnitude and direction. Is it necessarily a vector ?

a)

No

b)

Yes

c)

May be vector

d)

all above

11.

$Two\ vectors\ 5i^{\wedge}+7j^{\wedge}-3k^{\wedge}\ and\ 2i^{\wedge}+2j^{\wedge}\ -ak^{^{\wedge}}\ are\ mutually\ perpendicular.\ What\ is\ the\ value\ of\ a\ ?$

a)

7

b)

-8

c)

9

d)

7

12.

Name a quantity which remain unchanged during the flight

of an oblique projectile ?

a)

Vertical component of velocity

b)

Horizontal component of velocity

c)

Acc

d)

None of above

13.

At which point of projectile path, the speed is minimum ?

a)

At origin

b)

At the highest point

c)

At point where it touch ground

d)

all above

14.

The velocity of projectile is 10mper sec. At what angle to the horizontal should it be projected so that it cover maximum horizontal distance?

a)

At 90 deg

b)

at 40 deg

c)

at 45 deg

d)

at zero deg

15.

Pick out the scalar quantities in the following ?

force,ang. momemtum,work,current,linear momentum,electric field,avg velocity.

a)

work,current

b)

momentum,electric field

c)

electric field,avg velocity.

d)

work,current

16.

Rocket work on thew principle of conservation of---------

a)

Mass

b)

Charge

c)

Linear momentum

d)

Angular momentum

17.

Why do we fall forward when a moving bus suddenly stops ?

a)

Because of linear momentum

b)

Because of lnertia of direction

c)

Because of lnertia of motion

d)

Because of inertia of rest

18.

Name one factor on which coefficient of friction depend ?

a)

Area of contact

b)

Nature of surface

c)

Mass of body

d)

all above

19.

What is the source of centripetal force in case of electron revolving around the nucleus ?

a)

Gravtitation force

b)

central force

c)

force of attraction between electron and nucleus

d)

Force of gravity

20.

Why a cyclist has to bend inward while going on circular road ?

a)

To show flexibility of body

b)

To make stunt

c)

To get necessary centripetal force

d)

To get centrifugal force

21.

What is the need of banking of road?

a)

To get necessary centripetal force to take safe turn

b)

to move on the road with less friction

c)

To get max speed at turn

d)

all above

22.

A body is moving in acircle of radius r cm at a costant speed of v cm per sec. What is the angular velocity ?

a)

vXr per sec

b)

v/r rad per sec

c)

zero

d)

None of above

23.

What is the unit of coefficient of limiting friction?

a)

m per sec

b)

N m

c)

Newton

d)

No unit

24.

A body is projected so that it has maximum range R. What is the maximum height reached during the flight ?

a)

R

b)

R/2

c)

R/6

d)

R/4

25.

What is the magnitude and direction of nullor zero vector?

a)

zero and parallel to given vector

b)

zero and antiparallel to given vector

c)

zero and no fixed direction

d)

zero and perpendicular to given vector

26.

What is acceleration of particle moving with uniform velocity ?

a)

constant

b)

ZERO

c)

-ve

d)

Not defined

PERIODIC QUIZ FOR XI B PHYSICS

Total questions: 26

Worksheet time: 14mins

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