TEST CH 5+6 GRAD DIV CURL

degree is the unit of angular displacement in?
M.K.S
F.P.S
SI
NONE OF THESE

which side of ball have lower pressure while bowler wants to swing the ball?
upper
lower
both sides have same
none of these

Bernoulli’s equation deals with conservation of?
mass
flow rate
charge
none of these

Torricelli theorem gives a relation about?
speed of efflux
orbital speed
critical velocity
terminal velocity

angular momentum has same dimensions with?
plank’s constant
energy
torque
all of these

we can use concept of laminar and turbulent flow to check the?
systolic pressure only
diastolic pressure only
both
none of these

two cylinders of equal masses which will have large rotational inertia?
smaller diameter
larger diamater
both have same
none of these

the orbital speed of geostationary satellite is?
7.9 km per second
11 km per second
29000 km per seconds
none of these

when a body is decelerating while going upwards its apparent weight will be?
greater than real weight
less than real weight
zero
may be any of these

an accelerating frame will be?
inertial
non inertial
both
none

which can bend light according to Einstein?
gravity
electric field
magnetic field
none of these

which gravity theory is better?
Einstein’s theory
newtons theory
both gives same accuracy
none of these

which have more rotational kinetic energy?
sphere
hoop
dics
all have same value

which will reach bottom first upon rolling from an inclined plane?
sphere
disc
hoop
both will reach at same time

which have greater moment of inertia?
hoop or ring
sphere
disc
rod

The angular velocity of spin motion of earth is?
π/12 rev per min
π/4 rev per min
π/6 rad per hr
π/12 rad per hr

The angular displacement covered by earth in one month while orbiting around the sun?
π/3 rad
π/4 rad
π/6 rad
None of these

The angular displacement covered by hour’s clock in 15 minutes is in?
10 degree
15 degree
30 degree
None of these

Time required by a satellite which is close to earth?
5060 seconds
84 mintues
1 hour and 24 mintues
All of these

Divergence of a vector is always a?
Scalar quantity
Vector quantity
May be scalar or vector
Divergence of a vector cannot be taken

Gradient of a scalar field is?
A vector
A scalar
Both scalar or vector
None Of these

Curl of a scalar field is?
A vector quantity
A scalar quantity
Not possible
None of these

The field whose curl is zero called?
Solenoidal field
Constant field
Irrotational field
All of these

Stoke’s law holds good for bodies which are?
Rectangular
Circular
Triangular
None of these

The blood pressure in vessels while heart expands will be?
Less than atm pressure
Equal to atm pressure
Will be about 840 torr
Will be about 685 torr

The divergence of curl will be?
Unity
Zero
May be of any value
None of these

If a volume encloses a bar magnet then the divergence will be?
Positive
Negative
Zero
None of these

The curl of gradient of scalar field will be?
Not possible
Positive greater than unity
Unity
Zero

If Laplacian of a scalar field is zero then field will be?
Irrotational
Solenoidal
Both
None of these

Vehicle are designed in a way that flow of air should be?
Turbulent
Laminer
Both

K2 height is?
8611 km
8611m
7611 m
6611m

Touchi pass connects KPK with?
Waziastan
Bloachistan
Punjab
Gilgat

Khurram pass connects pakistan to?
China
Afghanistan
Iran
India

K2 is highest mountain?
1st
3rd
4th
None of these

How many headworks ravi has?
3
4
2
1

Sulemanki headworks related to which river?
Ravi
Satluj
Chenab
Jehlam
Indus

Neelam Jehlam dam is near?
Muzafarabad
Swat
Gilgat
Rawalpindi

Mangla Dam is situated?
Mirpur
Haripur
Gilgat
Islamabad

Gulpur dam was completed in?
2014
2020
2011
1967

Namal dam is situated in?
Mianwali
Tounsa
Haiderabad
Sakkar

Oplus_0

Leave a Reply