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Foundation Level -IV NEET Mock Test-5 (Physics)

Total questions: 50

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

If earth stop rotating , the value of g at the equator

a)

will increase

b)

Will decrease

c)

Will remains constant

d)

None

2.

The velocity of the statellite in orbit depends on

a)

Radius of the orbit

b)

Acceleration due to gravity

c)

Produce of radius and acceleration due to gravity

d)

Radius of the gravitation

3.

Weightlessness in a space is due to

a)

Inertia

b)

Zero gravity

c)

Zero acceleration

d)

Centre of gravity

4.

Newtons law of gravitation

a)

cannot be verified but is true

b)

Can be verified in the laboratory

c)

is valid only on earth

d)

is valid only in the solar system

5.

In vacuum all freely falling objects

a)

have the same speed

b)

have the same velocity

c)

have the same acceleration

d)

none

6.

The gravitational force is responsible

a)

for rainfall and snowfall

b)

occurrence of tides

c)

for the flow of water in rivers

d)

all

7.

The force of centripetal force on the moon

a)

mass

b)

gravity

c)

acceleration

d)

force

8.

At which of the following location the value of g is the largest

a)

on the top of mount everest

b)

on the top qutub minar

c)

at the place on the equator

d)

a camp site in antartica

9.

The gravitational G is related to g by

a)

g= GMe / r2

b)

gp=1/2ge

c)

GM/R2

d)

ms-2

10.

Gravitational constant

a)

9.8 ms-2

b)

6.673× 10-11Nm2

c)

6.673 × 10-11Nm2kg-2

d)

9.8ms2

11.

The value of G on the surface of the earth is

a)

9.8 ms-2

b)

9.8 m/s

c)

9.8 (M/S)

d)

9.8s

12.

Dimension of g

a)

LT-2

b)

M-1L3T-2

c)

LT

d)

(LT-2)

13.

Mass is a ------- quantity

a)

Scalar quantity

b)

Vector quantity

c)

Newton

d)

None

14.

Weight is measured by

a)

Spring balance

b)

Beam balance

c)

Force

d)

All

15.

Sun complete one revolution around the sun

a)

247 years

b)

234 years

c)

274 years

d)

300years

16.

The period of revolution of mercury which is closest to the sun is _____

a)

81 days

b)

91 days

c)

60 days

d)

45 days

17.

The force of attraction between two bodies in the universe is

a)

Gravitational force

b)

Surface force

c)

Acceleration force

d)

Volume

18.

Gravitational force of the body

a)

mass

b)

gravity

c)

volume

d)

space

19.

A girl bends to touch her toes the the motion of head is an example of

a)

Uniform motion

b)

Accelerated motion

c)

Simple harmonic motion

d)

Non uniform motion

20.

Planets which revolve outside the earth orbit are

a)

Satellite

b)

Superior

c)

all

d)

none

21.

S.I unit of g

a)

ms-2

b)

ms

c)

N

d)

kg

22.

Small bodies which revolve around the planets are called

a)

satellite

b)

Outer planets

c)

superior

d)

moon

23.

Inferior planets are

a)

Jupiter and Saturn

b)

Earth and mars

c)

Venus and Earth

d)

Mercury and venus

24.

Universal gravitational constant is a quantity

a)

Scalar

b)

Vector

c)

Dimensions

d)

None

25.

Unit of gravitational constant

a)

MLT

b)

G=Fr²/m1m2

c)

G=m²

d)

MLT-3

26.

A quantity has a value of -6m/s.It may be

a)

Speed of particle

b)

Acceleration particle

c)

Position particle

d)

Velocity of particle

27.

Who found the following statement?

STATEMENT ; sun in the elliptical orbits but the moon revolves around the earth in circular orbit

a)

Amstrong

b)

Kepler

c)

Acharya aryabhatt

d)

Newton

28.

What is the direction of acceleration due to gravity

a)

Forward

b)

Backward

c)

Upward

d)

Downward

29.

Which force acclerates a body in a free ball

a)

Force of acceleration

b)

Force of mass

c)

Force of distance

d)

Force of gravity

30.

Who worked out three emperical laws in the motion of planets

a)

Newton

b)

Kepler

c)

Aryabhatt

d)

Acharya bhaskaracharya

31.

Henry Cavendish is determined the value of G

a)

6.6676×10-8

b)

6.669×10–8

c)

6.667 ×10–8

d)

None

32.

What is the acceleration due to gravity at the centre of the earth

a)

One

b)

Two

c)

Zero

d)

Infinity

33.

Gravitational force obey newtons third law of motion

a)

yes

b)

no

c)

some times obey

d)

none

34.

The orbital velocity of satellite is ---------- of its mass

a)

Dependent

b)

Independent

c)

perpendicular

d)

Parallel

35.

The orbit of a geostationary orbit is called

a)

Centre of the earth

b)

Orbit

c)

Parking orbit

d)

None

36.

S.I unit of gravitational potential is

a)

J/Kg

b)

Kg

c)

J

d)

Ms

37.

Acceleration due to gravity is --------proportional to the density of the planet

a)

Perpendicular

b)

Directly

c)

Indirectly

d)

None

38.

The constant of gravitation G is related to g by -------

a)

g=GMe/r²

b)

GMe

c)

1/r²

d)

MLT

39.

Acceleration due to gravity is --------proportional to the density of the planet

a)

Decrease

b)

Increase

c)

Equal

d)

Zero

40.

Intensity of gravitational force inside a thin spherical shell is

a)

Unit

b)

Zero

c)

Infinity

d)

None

41.

A particle acclerates from rest with an acceleration of 10m/s² and the decelerates at the rate of 15m/s².If the particle was in motion for a total time of 10 s then find the maximum velocity of the particle

a)

50 m/s

b)

60 m/s

c)

20 m/s

d)

25 m/s

42.

A particle moving with a velocity of 10m/s is moving with a uniform acceleration of 5m/s².What will be the final velocity of the particle after 5 s

a)

30 m/s

b)

32 m/s

c)

36 m/s

d)

35 m/s

43.

A bullet going with speed of 175 m/s enters a concrete wall and penetrates a distance of 2.5cm before coming to rest.Find the deceleration

a)

61250m/s²

b)

62150 m/s ²

c)

61000 m/s ²

d)

60100m/s ²

44.

A particle acclerates from rest with an acceleration of 10m/s² and then decelerates at the rate of 15m/s².If the particle was in motion for a total time of 10 s then find the distance travelled by the particle 10s will be

a)

200m

b)

250m

c)

300m

d)

310m

45.

A particle moving with a speed of 10m/s along the +X direction.The particle is having an acceleration of 5m/s² along -X direction the particle comes to rest after a time of

a)

1s

b)

2s

c)

-2s

d)

3s

46.

A force produces an acceleration of 5.0 cm/s2. when it acts on a body of mass 20g.Then the force in newton is

a)

10-4N

b)

10-2N

c)

10-3N

d)

105N

47.

A train accelerates from 20km/h in 4 minutes, the distance covered by train during this period is

a)

10km

b)

10/3 km

c)

10/4km

d)

10/9km

48.

A force F acting on a 2kg body produces an acceleration of 1.5 m/s2,Another force F2 acting on a 5.0kg body produces acceleration of 2.0 m/s2.The ratio F2/F1 is

a)

2

b)

2.5

c)

3

d)

1

49.

Mass of the sun m1 = 2×1030kg m2 =6×1024kg and r is 1.5×1011m find the gravitational force between the sun and earth

a)

635N

b)

630N

c)

450N

d)

230N

50.

Consider a heavenly body whose mass is 3×1024kg and radius is 3200km.what is the acceleration due to gravity at the surface of this heavenly body

a)

12.6 m/s2

b)

19.6 m/s2

c)

17.8 m/s

d)

12 m/s