WorksheetsDual Nature of light
Total questions: 9
Worksheet time: 13mins
Check all the CORRECT statements about light:
Light is considered a mechanical wave.
Light is considered an electromagnetic wave.
Light behaves like a wave only.
Light behaves like a wave and a particle of energy.
Which one is the correct equation of the speed of light?
C= λ x f
C= λ/f
C= λ + f
Based on the picture of the electromagnetic spectrum, Which one has higher Energy: X-Ray or Microwaves? And which one has higher wavelength: UV or Infrared?
True or False: Electromagnetic waves can travel through space (Vaccum)
True
False
If a beam of light has a wavelength (λ) of 6×10−7 m . find its frequency (f). Hind speed of light (c) = 3.0×108 sm
5 ×1014 Hz
5 ×1012 Hz
5 ×1010 Hz
Sound is an example of a mechanical wave because it needs a (a) to travel through.
A continuous spectrum contains all the wavelengths of visible light?
True
False
Which statements are correct about the atomic (line) spectrum of hydrogen? see the attached image for reference
Hydrogen can emit light at wavelength of 500 nm
The visible light section of atomic spectrum of hydrogen contains only 4 lines
The atomic spectrum of hydrogen is unique. meaning no element has a similar spectrum
We can get the atomic spectrum of hydrogen by heating it through electrical discharging.
Metals can eject or release electrons when they are hit by a beam of energy (Light of certain frequency). This effect is called:
Photoelectric effect
Geomechanic effect
Electromagnetic effect
