Question # 1

Which one of the following physical quantities change with relativistic speed?

Choose an answer

Length

Time

Mass

All of above

When an electron in an atom goes from a lower to higher orbit its:

Choose an answer

K.E increases , P.E decreases

K.E increases , P.E increases

K.E decreases , P.E increases

K.E decreases , P.E decreases

The force on a charge particle moving parallel to magnetic field is:

Choose an answer

Maximum

Minimum

Zero

None of these

The absolute electric potential at a point distance 20 cm from a charge of 2 uC is.

Choose an answer

9 x 10² V

9 x 10³ V

9 x 10⁴ V

9 x 10 ⁵ V

The electrons in one coulomb change is equal to.

Choose an answer

1.6 x 10^-19

2.25 x 10^-19

6.25 x 10^-18

6.25 x 10^-19

Torque is produced in a current carrying coil when it is placed in a

Choose an answer

Magnetic field

Electric field

Gravitational field

Nuclear field

Which one is pentavalent impurity

Choose an answer

Boron

Gallium

Antimony

Indium

The value of capacitive reactance is given by

Choose an answer

Xc = VI

All of above

The background radiation to which we are exposed, on the average is.

Choose an answer

1 mSv per year

2 mSv per year

3 mSv per year

4 mSv per year

The radio active nuclide ₈₆Ra²²⁸ decays by a series of emissions of three alpha particles and one beta particle. The nuclide X finally formed is:

Choose an answer

₆₄X²²⁰

₈₆X²²²

₈₄X²¹⁶

₈₈X²¹⁵

Resistance tolerance of silver band is.

Choose an answer

10%

6%

7%

5%

Antiparticle of electron is.

Choose an answer

proton

Photon

Positron

Neutron

A charged conductor has charge on its.

Choose an answer

Inner surface

Outer surface

Middle surface

Surrounding space

Einstein photoelectric equation is

Choose an answer

None of these

In Helium Neon laser, the discharge tube is filled with

Choose an answer

80% He, 20% Neon

85% He, 15% Neon

83% He, 17% Neon

90% He, 10% Neon

If we make magnetic field stronger the value of induced current is.

Choose an answer

Decreased

Increased

Vanishes

Remain constant

The photon with energy greater than 1.02 MeV can interact with matter as.

Choose an answer

Photoelectric effect

Compton effect

Pair production

annihilation of matter

A wire stretched to double of its length, its strain is:

Choose an answer

2

1

0

0.5

More Classes

Other Links

Ics Part 2 Physics Test Online 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