COMPTON EFFECT - NUMERICALS - DEMONSTRATION
31. An x-ray photon of initial frequency 3.0 x 10^19 Hz collides with an electron and is scattered throu:h 90°.
29. A beam of x-rays is scattered by a target.
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https://www.youtube.com/watch?v=zYRx6Zub3cA
Capacitors Are Gaps! How Does That Work?!
https://www.youtube.com/watch?v=SDtAh9IwG-I
How big is a visible photon?
https://www.youtube.com/watch?v=ozeYaikI11g
Transmission Lines - Signal Transmission and Reflection
https://www.youtube.com/watch?v=rbCXKhhzBN0
How CAPACITORS Work (ElectroBOOM101-006)
https://www.youtube.com/watch?v=ySx84Ca7BFQ
Magic of Magnetism & Inductors (ElectroBOOM101-007)
https://www.youtube.com/watch?v=rkntp3_cZl4
Dielectrics in capacitors | Circuits | Physics | Khan Academy
https://www.youtube.com/watch?v=qyM6hwAyiF4
A simple demo: an electric dipole in a capacitor
https://www.youtube.com/watch?v=Mq-PF1vo9QA
Resonance Circuits: LC Inductor-Capacitor Resonating Circuits
https://www.youtube.com/watch?v=L6cgSxpGmDo
How a Capacitor Works - Capacitor Physics and Applications
https://www.youtube.com/watch?v=BIPi0vXdssE
Capacitors in Series and Parallel
https://www.youtube.com/watch?v=5hFC9ugTGLs
How Capacitors Work
https://www.youtube.com/watch?v=hrpPKCDLRN0
Semiconductors - Physics inside Transistors and Diodes
https://www.youtube.com/watch?v=agujzHdvtjc
Transformers - Electric Power transmission
https://www.youtube.com/watch?v=ukBFPrXiKWA
Inductors and Inductance
https://www.youtube.com/watch?v=f_MZNsEqyQw&t=511s
Capacitors and Capacitance: Capacitor physics and circuit operation
DIRECT/INDIRECT
Pg140
# Two numbers are in the ratio 6:5. One of the numbers is 0.03.
Work out the two possible values for the other number.
# The sides of a quadrilateral are in the ratio 2:3:5:8.
The difference between the shortest side and the longest side is 7.5cm. Work out the perimeter of the quadrilateral.
# In a right-angled triangle, the difference between two of the angles is 20°.
a Work out the size of the angles in the triangle.
b How many solutions are there to part a? Explain why.
c For each solution to part a, write the ratio of the angles from smallest to biggest in its simplest form.
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Pg143
# In a factory, 4 people can pack 20 boxes in 1 hour.
How long does it take 3 people to pack 20 boxes? Give your answer in hours and minutes.
# It takes 8 people 5 days to dig a hole.
How long does it take 10 people to dig the hole?
Pg144
# The values of X and Y in the table are in direct proportion. Work out the missing numbers A, B, C and D.
# Julio reads that the length of an adult's head and the length of their body are in direct proportion.
Julio's dad has a head length of 24 cm and a body length of 156 cm.
Using these measurements, work out
a the body length of an adult with a head length of 26cm
b the total height of an adult with a body length of 143 cm.
# It takes 6 people 20 days to paint 4 houses.
a How many houses can 3 people paint in 20 days?
b How many people does it take to paint 4 houses in 10 days?
c How many days does it take 8 people to paint 4 houses?
d Copy and complete the table.