Exploring Electromagnetic Radiation

Exploring Electromagnetic Radiation

11th Grade

20 Qs

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Exploring Electromagnetic Radiation

Exploring Electromagnetic Radiation

Assessment

Quiz

Others

11th Grade

Practice Problem

Hard

Created by

Nasola Geremew

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is wave-particle duality?

Wave-particle duality refers to the ability of waves to travel faster than light.

Wave-particle duality is the theory that particles can only exist as waves.

Wave-particle duality states that particles and waves are completely separate entities.

Wave-particle duality is the concept that particles, like electrons and photons, exhibit both wave and particle characteristics.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the photoelectric effect demonstrate the particle nature of light?

The photoelectric effect demonstrates the particle nature of light by showing that light consists of discrete packets of energy (photons) that can eject electrons from a material.

Light behaves like a wave and cannot eject electrons.

The photoelectric effect shows that light has no mass.

Photons are only theoretical and do not exist in reality.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between emission and absorption spectra?

Emission spectra are continuous, while absorption spectra are discrete.

Both emission and absorption spectra show bright lines on a dark background.

Emission spectra are produced by cool gases, while absorption spectra are produced by hot gases.

Emission spectra show bright lines on a dark background, while absorption spectra show dark lines on a continuous background.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the main postulates of the Bohr model of the atom.

The main postulates of the Bohr model include fixed electron orbits, quantized energy levels, photon absorption/emission for transitions, and quantized angular momentum.

Electrons can exist anywhere in the atom without restrictions.

Electrons do not emit or absorb photons during transitions.

Energy levels are continuous and not quantized.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are quantum numbers and what do they represent?

Quantum numbers represent the color of electrons in atoms.

Quantum numbers are only used in classical mechanics.

Quantum numbers are irrelevant to atomic structure.

Quantum numbers are numerical values that describe the properties of electrons in atoms, including energy level, shape, orientation, and spin.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the wavelength of electromagnetic radiation relate to its energy?

The wavelength of electromagnetic radiation is directly related to its energy.

Longer wavelengths have higher energy than shorter wavelengths.

The wavelength of electromagnetic radiation is inversely related to its energy.

The energy of electromagnetic radiation is independent of its wavelength.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain how the photoelectric effect supports the concept of quantization of energy.

The photoelectric effect shows that light has no effect on electron emission.

The photoelectric effect demonstrates that energy is continuous and not quantized.

Photons can only be absorbed in large groups, not as individual packets.

The photoelectric effect supports the concept of quantization of energy by showing that light energy is delivered in discrete packets (quanta) called photons, which must have sufficient energy to eject electrons.

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