⚛️Physics MCQs
Physics MCQs
8 MCQs1
A photon is always considered to be: ________?
PhysicsBy: Rizwan Ayub Saadi
AMoving with speed of light
BAt rest
CIn accelerated form
DMoving with speed of sound
2
The antiparticle of electron is: ______?
PhysicsBy: Rizwan Ayub Saadi
AProton
BMeson
CNeutron
DPositron
3
Earth’s orbital speed is __________?
PhysicsBy: Rizwan Ayub Saadi
A70 km/s
B60 km/s
C45 km/s
D30 km/s
4
Which instrument is used to detect path of visible rays?
PhysicsBy: Jawad Ali
AGeiger counter
BWilson Cloud Detector
CSolid State Detector
DNone of the above
5
If the axis of rotation passes through the body and the body moves around itself then the motion is called:
PhysicsBy: Jawad Ali
ASpin motion
BOrbital motion
CRectilinear motion
DTranslatory motion
6
Relation between linear velocity and angular velocity:
PhysicsBy: Jawad Ali
Av=rw
Br=vw
Cs=r
D∆s/∆t
7
A wire of uniform area of cross -section A length L and resistance R is cut into two parts. The resistivity of each part:
PhysicsBy: Mithoo Mal
ABecome zero
BIs halved
CN/A
Dremains same
8
The waves which are used for line of sight (LOS) communication are called:
PhysicsBy: Areesha Khan
ASpace waves
BCable waves
CAntenna waves
DNone of these