Question # 1

The nuclear model of atom was proposed by

Choose an answer

J.J Thomson

E.Rutherford

Neil Bohr

Summerfield

A ten-ohm electric heater operates on a 110 V line Calculate the rate at which it develops heat in watts:

Choose an answer

1310 W

670 W

810 W

1210 W

A prism splits a beam of white light into its seven constituent colors this is so because

Choose an answer

Phase of different colors is different

Amplitude of different colors is different

Energy of different colors is different

Velocity of different colors is different

The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much estimate of the kinetic energy obtained by measuring mass and speed

Choose an answer

11%

8%

5%

1%

What is the ratio of r.m.s velocity for O₂ to H₂?

Choose an answer

1/4

4

√4 : 1

1 : √4

Which of the following particle would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?

Choose an answer

Proton

Electron

He⁺

Li⁺

In an AC circuit a resistance of R ohm i connected in series with an inductance L if phase angle between voltage and current be 45^o the value of inductive reactance will be

Choose an answer

R/4

R/2

R

Energy is stored in the choke coil in the form of

Choose an answer

Heat

Magnetic energy

Electric energy

Electro -magnetic energy

At a certain instant a stationary transverse wave is found to have maximum kinetic energy the appearance of string of that instant is:

Choose an answer

Sinusoidal shape with amplitude A/3

Sinusoidal shape with amplitude A/2

Sinusoidal shape with amplitude A

Straight line

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Choose an answer

Parallel

Antiparallel

At angle 60°

Perpendicular to each other

Absolute temperature can be calculated by

Choose an answer

Mean square velocity

Motion of the molecule

Both (A) and (B)

None of these

More Classes

Other Links

NAT I Engineering Physics 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