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Quiz on Light Waves and Atomic Structure

Total questions: 13

Worksheet time: 2mins

Name
Class
Date
1.

What is the relationship between frequency and wavelength as shown in the diagram?

a)

Frequency increases as wavelength decreases

b)

Frequency increases as wavelength increases

c)

Frequency and wavelength are unrelated

d)

Frequency is always constant regardless of wavelength

2.

How do you convert a wavelength from meters to nanometers (nm)?

a)

Multiply by 10⁶

b)

Divide by 10⁹

c)

Multiply by 10⁹

d)

Add 10⁹

3.

Which experiment's data did Max Planck correlate to develop his quantum theory?

a)

Double-slit experiment

b)

Blackbody experiment

c)

Photoelectric effect experiment

d)

Rutherford gold foil experiment

4.

What major change in thinking did Max Planck's theory introduce about energy?

a)

Energy is continuous

b)

Energy is quantized

c)

Energy cannot be measured

d)

Energy is always lost

5.

What is produced when a potential gradient is created and electrons flow in the circuit during the photoelectric effect?

a)

Photoelectric current

b)

Magnetic field

c)

Thermal energy

d)

Sound waves

6.

What is the term for the minimum energy required to produce the photoelectric effect in different metals?

a)

Work function

b)

Activation energy

c)

Threshold frequency

d)

Ionization energy

7.

What are the energy particles that compose light called, according to Einstein’s explanation of the photoelectric effect?

a)

Electrons

b)

Protons

c)

Photons

d)

Neutrons

8.

What phenomenon occurs when light is shone on a metal surface and electrons are emitted?

a)

Diffraction

b)

Rayleigh scattering

c)

Compton scattering

d)

Photoelectric effect

9.

Which constant is used to relate the energy of a photon to its frequency?

a)

Gas constant

b)

Boltzmann's constant

c)

Avogadro's number

d)

Planck's constant

10.

What is the effect called when light waves bend as they pass through different media?

a)

Refraction

b)

Diffraction

c)

Interference

d)

Reflection

11.

What is the term for the phenomenon where light is absorbed by a material and causes the emission of electrons?

a)

Photoemission

b)

Photoconductivity

c)

Photoionization

d)

Photodissociation

12.

In the context of the photoelectric effect, what happens to the kinetic energy of emitted electrons as the frequency of incident light increases?

a)

It increases

b)

It becomes zero

c)

It decreases

d)

It remains constant

13.

What is the relationship between the energy of a photon and its wavelength?

a)

Energy is equal to wavelength

b)

Energy is directly proportional to wavelength

c)

Energy is independent of wavelength

d)

Energy is inversely proportional to wavelength