WorksheetsQuiz
Total questions: 6
Worksheet time: 5mins
Name
Class
Date
1.
Choose correct answer(s). Newton's ring are:
a)
fringes of equal thickness
b)
fringes of equal inclination
c)
Haidinger fringes
d)
None of them
2.
To demonstrate the phenomenon of interference, we require two sources
a)
Of the same frequency and having a constant phase difference
b)
Of nearly the same frequency
c)
Of the same frequency
d)
Of different wavelengths
3.
A red light has a wavelength of 650nm.
It is shone through a double slit spacing 0.2mm onto a screen 2m away.
The fringe spacing is?
It is shone through a double slit spacing 0.2mm onto a screen 2m away.
The fringe spacing is?
a)
6.5 x 10 -6 m
b)
1.6 x 10-3 m
c)
6.5 x 10-3 m
d)
1.6 x 10-6 m
4.
The intensity of principal maximum in the spectrum of grating having N slits is proportional to:
a)
1/N
b)
N
c)
N2
d)
1/N2
5.
A zone plate has:
a)
A single focus
b)
Two foci
c)
Multiple foci
d)
No focus
6.
Interference and diffraction of light supports its:
a)
wave nature
b)
Quantum nature
c)
transverse nature
d)
electromagnetic character
100 %
