Question # 1

Which one is photo conductor.

Choose an answer

Copper

Selenium

Mercury

Aluminium

The velocity of an oscillating charge as it moves to and fro along a wire is.

Choose an answer

Changing

Constant

Infinite

zero

Electric power:

Choose an answer

Vx1

V²x1

V/1

V/1²

Which of the following series of hydrogen spectrum lies in ultra violet region.

Choose an answer

Lyman sereis

Paschen series

Balmar series

Bracket series

In pure capacitor A.C. circuit, the current I and charge q are.

Choose an answer

In phase

Out of phase

Parallel to each other

None of above

A positron is an anti particle of.

Choose an answer

Proton

Electron

Neutron

Photon

Mass of meason is

Choose an answer

Greater then proton

Less than proton

Equal to proton

Equal to neutron

When the medium is insulator the elecrostatic force between the charges is

Choose an answer

Decreased

Zero

Increased

None of above

Which of the following does not undergo plastic deformation.

Choose an answer

Copper

Wrought iron

Head

Glass

If V_rms be the root mean square value of emf then its peak to peak value is given by

Choose an answer

In case of A.C. through resistor V and I are

Choose an answer

At 0^o with each other

At 180 ^o with each other

At 90^o with each other

At 270 ^o with each other

Unit of decay constantλ is:

Choose an answer

ms

m^-1

m

S^-1

Energy density of an inductor is:

Choose an answer

UM=1/2μ_∘/B²

Um = 2μ_∘/B

UM = 1/2B²/μ_∘

Um = 2B²/μ_∘

Charge on positron is:

Choose an answer

Negative

Positive

Netural

None of these

The main use of A.C is

Choose an answer

Minimum line losses

Long distance transmission

Stepping up to required voltage only

Steeping down to required voltage only

Energy density in an inductor is.

Choose an answer

Directly proportional to magnetic field

Directly proportional to square of magnetic field

Inversely proportional to magnetic field

Inversely proportional to square of magnetic field

Frequency of x-rays depends upon.

Choose an answer

Number of electrons striking target

Accelerating potencial

Nature of the target

Both B and C

Induced emf in A.C. generator can be increased by

Choose an answer

Decreasing area of coil

Decreasing magnetic field

Increasing area of coil

Slowing down speed of coil

More Classes

Other Links

Physics Fsc Part 2 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer