Choose the correct options for the following questions.
The central fringe in a diffraction pattern obtained by using a single slit is?
Difficulty: Easy
A:
Bright
B:
Dark
C:
No fringes will be formed
D:
None of the above
Which of the following can be the objective of Polarization
Difficulty: Easy
A:
Decrease in Electric field
B:
Decrease in capacitance
C:
Decrease In current
D:
None of these
When light enters from air to glass the quantity that remains constant is
Difficulty: Easy
A:
Frequency
B:
Wavelength
C:
Velocity
D:
All of these
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