Question
Why cannot longitudinal waves be polarized?
✓
Answer
In longitudinal waves, the direction of oscillation of the particle is in the direction of the wave's travel in the medium, hence compression and rarefaction will pass through the slit in the travel of light waves.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If light of wavelength 412·5nm is incident on each of the metals given below, which ones will show photoelectric emission and why?
|
Metal
|
Work Function (eV)
|
|
Na
|
1.92
|
|
K
|
2.15
|
|
Ca
|
3.20
|
|
Mo
|
4.17
|
Draw the nature of the graph of binding energy per nucleon against atomic mass number and explain its notable points.
Electrons are emitted from an electron gun at almost zero velocity and are accelerated by an electric field E through a distance of 1.0m. The electrons are now scattered by an atomic hydrogen sample in ground state. What should be the minimum value of E so that red light of wavelength 656.3nm may be emitted by the hydrogen?
Explain the method of charging by friction briefly.
Can there be a potential difference between two adjacent conductors carrying the same charge?
By looking at the construction of a compound microscope and a telescope, how will you distinguish which type of optical instrument is which?
The magnetic field in a plane electromagnetic wave is given by $B_y=\left(2 \times 10^{-7}\right) T \sin \left(0.5 \times 10^3 x+1.5 \times 10^{11} t\right)$.
(a) What is the wavelength and frequency of the wave?
(b) Write an expression for the electric field.
→(a) What is the wavelength and frequency of the wave?
(b) Write an expression for the electric field.
A capacitor of capacitance C is given a charge Q. At t = 0, it is connected to an ideal battery of emf $\in$ through a resistance R. Find the charge on the capacitor at time t.
→Explain the principle of working of a meter bridge. Draw the circuit diagram for determination of an unknown resistance using it.
What are the readings of the ammeters $A_1$ and $A_2$ shown in figure. Neglect the resistance of the meters.
→