Physics test # for paf navy army nts | Many selection centre

Physics test #4 for paf navy army nts | Many selection centre

1.

According to which law, liquid exerts equal pressure in all sides?
a.
Newton’s law
b.
Oersted law
c.
Jeans law
d.
Pascal’s law


 2.

The no. of vibration in unit time is called ______________.
a.
Time period
b.
Wave length
c.
Frequency
d.
None


 3.

The waves in which the particle vibrates as a waves are called _____________.
a.
Longitudinal
b.
Crest
c.
Transvers waves
d.
Trough


 4.

The magnetic line are greater on __________ side.
a.
Outer
b.
Inward
c.
Surface
d.
None


 5.

In forward circut, the PN in connected ____________ terminal.
a.
Positive
b.
Negative
c.
Series
d.
Parallel


 6.

The effectof magnet can destroyed through ___________.
a.
Heating
b.
Hamering
c.
Touching
d.
Both a & b


 7.

The force of friction in directely proportional to _____________.
a.
Velocity
b.
Its coefficient
c.
Mass
d.
Strain


 8.

When a wire carrying current is placed in magnetic field then it moves in _________ direction.
a.
Newton’s force
b.
Gravitational force
c.
Magnetice force
d.
Electrostatic force


 9.

Rubber, Glass, plastic are good __________.
a.
Conductors
b.
Semiconductors
c.
Insulator
d.
extrisic semiconductors


 10.

One of the example of sound waves is___________.
a.
Telivision
b.
Keyboard
c.
Radio waves
d.
None


 11.

Veloicty is ____________ unit.
a.
Fundamental
b.
Derived
c.
Basic
d.
Vector


 12.

The sum of all applied torques is zero it is ___________ lew of equlibrium.
a.
1 st
b.
2 nd
c.
3 rd
d.
4 th