WorksheetsWeek 7- CW-Light and Quantized energy
Total questions: 22
Worksheet time: 14mins
what is the speed of light ?
3 x108 m/s
3 x108 km/s
30 x108 m/s
1000
λ and ν are:
inversely proportional
directly proportional
they are proportional in 10 different ways
they are proportional in 20 differentways
A ______________ is the minimum amount of energy that can be gained or lost by an atom.
wavelength
frequency
quantum
electron
This image is an illustration of
photoelectric effect
Dalton's atomic theory
Bohr model
Quantum mechanical model
the figure shows _____________
atomic emission spectrum
atomic absorption spectrum
atomic solution spectrum
photoelectric effect
What is the wavelength (λ) of electromagnetic radiation with a frequency (ν) of 9.01 x 1015 s-1 ?
3.32 x 10-8 m
6.66 x 10-7 m
4.13 x 10-9 m
1.88 x 1015 m
A ______________ is the minimum amount of energy that can be gained or lost by an atom.
wavelength
frequency
quantum
electron
Which type of wave has the longest wavelength (λ)
AM radio
microwaves
x-rays
TV, FM
Which type of electromagnetic radiation has the highest energy?
Microwaves
Gamma rays
Infrared radiation
Radio waves
What is the energy of a photon from the violet portion of the Sun’s light if it has a frequency of 7.230 × 10^14 s-1?
Ephoton = 2.791 × 10^-19 J
Ephoton = 4.791 × 10^-19 J
Ephoton = 5.791 × 10^-19 J
Ephoton = 3.791 × 10^-19 J
Energy of the Quantum= h x v. In this equation, there is a direct relationship between .............
Plancks constant and wavelength
the energy and the frequency
the energy and the wavelength
the wavelength and the frequency
What stops beta radiation?
Aluminum
Paper
Air
Glass
Identify the type of nuclear decay shown here
21483Bi → 0-1e + 21484Po
Alpha
Beta
Gamma
