The Electron: Quiz

Description

This quiz covers topics learnt in the mind map on the electron, and the corresponding notes on subatomic particles, energy, thermionic emission, x-rays and the photoelectric effect.
Quiz by alex.examtime9373, updated more than 1 year ago
 Created by alex.examtime9373 almost 10 years ago
242
4

Resource summary

Question 1

Question
What is the mass of an electron?
• I u
• - 1 u
• 1/1840 u
• 1/1840 g

Question 2

Question
What unit is used to measure the energy of an electron?
• Joules
• Watts
• Electronvolts

Question 3

Question
Thermionic emission is the emission of electrons from the surface of a hot metal.
• True
• False

Question 4

Question
What is the work function of a metal?
• The minimum energy needed to remove an electron from the surface of a metal.
• The maximum limit for energy needed to remove an electron from the surface of a metal.
• The minimum frequency required to produce photoelectric emission

Question 5

Question
What phenomenon is the cathode ray tube based on?
• Photoelectric effect
• Thermionic emission
• X-rays

Question 6

Question
X-rays are electromagnetic radiation of extremely long wavelength.
• True
• False

Question 7

Question
Which of the following is not a component of an X-ray tube?
• Cathode & anode
• Filament
• Tungsten target
• Fluorescent screen
• Vacuum

Question 8

Question
Calculate the energy of a photon of light of frequency 8 x 10^14 Planck's constant = 6.6 x 10^-34 J s
• 5.28 × 10^-19
• 1.21 x 10^48
• 5.28 × 10^19

Question 9

Question
What is the charge of a proton?
• Neutral
• Positive
• Negative

Question 10

Question
In a cathode ray tube, where does thermionic emission occur?
• At the cathode
• At the anode
• Along the filament
• Across the fluorescent screen

Similar

Using GoConqr to teach science
AQA Physics P1 Quiz
GCSE AQA Physics - Unit 3
Using GoConqr to study science
GCSE AQA Physics 1 Energy & Efficiency
Waves
Forces and their effects
Forces and motion
Junior Cert Physics formulas
OCR Physics P4 Revision