WorksheetsQuiz 1
Total questions: 25
Worksheet time: 16mins
Two waves E and G are shown. The waves have the same speed.
Which statement is correct?
Wave E has a greater amplitude than wave G.
Wave E has a greater intensity than wave G.
Wave E has a smaller frequency than wave G.
Wave E has a smaller wavelength than wave G.
Interference of light is evidence that:
the speed of light is very large
light is a transverse wave
light is electromagnetic in character
light is a wave phenomenon
Constructive interference happens when two waves are:
out of phase.
zero amplitude.
in phase.
Two waves with phase difference 180° have resultant of amplitude
one.
zero.
same as the single wave.
doubles the single wave.
What principle is responsible for alternating light and dark bands when light passes through two or more narrow slits?
refraction
polarization
diffraction
interference
Fiber optics uses what medium to send information?
Electrons
Phonons
Light
None of these are correct
Who demonstrated the concept of “Total Internal Reflection?”
Kapany
Tyndall
Chappe
Wheeler
A Laser differs from ordinary light in three distinct ways. Its coherent, directional and monochromatic.
True
False
The basic structure of an optical fiber consists of which three parts?
Core
Ground
Cladding
Buffer
Acronym for LASER is
Light Absorption by Stimulated Emission of Radiation
Light Amplification by Stimulated Emission of Radiation
Light Alteration by Stimulated Emission of Radiation
Light Attenuation by Stimulated Emission of Radiation
Which of the following colors of visible light has the highest frequency?
Blue
Green
Orange
Red
Violet
De Broglie equation
relates the momentum of a mass to its wavelength
relates the energy of a mass to its wavelength
relates the frequency of a mass to its wavelength
relates the work function of a mass to its wavelength
the minimum frequency for which the photoelectric effect can occur is called the
absolute frequency
cut off frequency
Lyman frequency
threshold frequency
The SI unit of frequency is the __________.
meter
second
hertz
meter per second
The resistivity of a semiconductor lies between
(a)10 -6 Ωm to10-8 Ωm
n(b) 108 Ωm to1014 Ωm
(c) 10 -2 Ωm to104 Ωm
(d) none of these
The forbiddenn energy gap for Germanium is of the order of
(a) 0.7 eV
(b) 0.3 eV
(c) 1.1 eV
(d) 10 eV
Doping of Semiconductors
materials which can conduct electricity better than insulator, but not as well as conductors.
The process of adding of a certain amount of specific impurities atoms in the pure semiconductor.
when 4 electrons in outermost orbit.
The minority carriers in P-type silicon are called _________________
Neutron
Proton
Electron
Hole
Which of the following material is used in solar cells?
Barium
Silver
Silicon
Selenium
Satellite power requirement is provided through
Lithium Ion Cells
Solar Cell
Nickel Cadmium Cells
Lead Acid Batteries
A module in a solar panel refers to __________
Series arrangement of solar cells.
Parallel arrangement of solar cells.
Series and parallel arrangement of solar cells.
The LED could work at AC current in the electronic circuit.
true
false
Identify the electronic symbol.
capacitor
electrolytic capacitor
battery
resistor
