NTS Quantitative Analysis MCQS with Answers
A conducting wire is drawn to double its length Final resistivity of the material will be
Double of the original one
Half of the original one
One-fourth of the original one
Same as original one
The structure of solids is investigated by using
y-rays
Intra red Radiation
Cosmic Rays
X-rays
The dimensional formula of toque is:
[ML2T2]
A moving charge will gain energy due to the application of
Electric field
None of these
Magnetic
Both of these
The conductivity of a superconductor is
Very small
Zero
Infinite
Very large
When sound waves travel from air to water which of these remains constant?
Velocity
Frequency
Wavelength
All the above
When a hydrogen atom is bombarded the atom is excited to the n = 4 state of hydrogen atom.The energy released when the atom falls from n = 4 state to the ground state is
8 eV
12.75 eV
1.275 eV
5 eV
There are discrete energy levels in atoms. It was first experimentally demonstrated by
Frank Hertz experiment
Sommerfield experiment
Marsden’s experiment
Rutherford’s experiment
Which of the following four statements is false?
A body can have zero velocity and still be accelerated
The direction of the velocity of a acceleration is constant
A body can have a constant velocity and still have a varying speed
A body can have a constant speed and still have a varying velocity
If yellow light emitted by sodium lamp in Young’s double slit experiment is replaced by monochromatic blue light of the same intensity
Fringe width will increase
The fringe width will remain unchanged
Fringes will become less intense
Fringe width will decrease