Past Paper Questions Got Wrong Flashcards
(24 cards)
List colours in order of increasing wavelength in dispersion
Violet indigo blue green yellow orange red
Name and define unit of power
Watt, Joule per second
Motor experiment load moves upwards at a constant speed what happens to kinetic energy potential energy and total energy
United energy remains constant
Potential energy increases
Total energy increases
What are the three constants with magnet picking up metal from a balance experiment
Coil of electromagnet
Core of an electromagnet
Distance between electromagnet core and balance
Personal power
Weight x vertical height of stairs is divided by time Taken to climb stairs
CONVERT MASS IN KG INTO N BY X 10
How to develop increased power
Run upstairs faster
Power
Time in s
Focal length experiment what should image be
Sharp
What to do during the experiment if the result is wrong
Repeat measurement
What is a constant in investigating different factors of a coil with resistance how
Temperature only Close switch when readings are taken
What does acceleration of 10 to the meters per second squared I mean
Velocity increases by 10 meters per second every second
Graph to be plotted when investigating the average speed of a model ruling going around is directly proportional to the height of the rump
Spade vs height
Why efficiency of a motor will always be less than one
Some input energy is lost
How to increase safety with motor on edge of a table
Clamp motor to the bench
How to make an accurate scale Reading
Read out eye level
ALWAYS WATCH (_.0) ON TABLES IF NEED
How to increase reliability
Repeat an average
How to measure the mass
Mass balance
How to measure the height
Meter stick
Working Joules
Force in Newton’s times distance in joules
Virtual meaning
Can be displayed on a screen
Why a is not refracted when going into a semicircle
Meets glass at 90 degrees or angle of incidence is zero
