Random Physic Quiz ‼️
The density of water is 1 g cm-³. What is the density of water, in kg m-³ ?
1000 kg m-³
1 g/cm³ is equal to
1000 kg/m³
The International System of Units is based on_.
metric units
Free fall is the motion of an object is affected by___.
gravitational force only
A sheet of paper that flutters while falling does not undergo _____motion due to the significant ____ acting on its broad and lightweight surface.
free fall, air resistance
When you touch the dome (while insulated from the ground), the ___ is transferred to your body through a process called ___, where ____flow from the dome to your body.
charge, conduction, electrons
Conduction occurs when there is ____ contact between materials that differ in their ability to give up or accept ___.
direct, electrons
Resolution of forces is the process of____a force into two components, which is Fx and Fy.
resolving
2 applications of Pascal's Principle.
excavator & bulldozer
Image characteristics on Convex lenses:
magnified, upright, virtual
Image characteristics of Concave lenses:
diminished, upright, virtual
Applications of CONCAVE lenses: ____
- provides a wider field of vision
peephole
Explain how to determine the focal length of a convex lens in the laboratory.
-a convex lens is focused on an object at ____
-adjust the screen until a ____ image is formed
-distance between the screen and the center of the lens measured with a ____
-f is____
infinity, sharp, ruler, focal length
Russian Man Invented Very Unique X-ray Gun
radio waves, microwaves, infrared, visible light, ultraviolet rays, X-rays, gamma rays
Radio waves used to___.
broadcast radio & television
Microwaves is used in___
cooking, radar & telephone
Infrared transmit light from___.
sun, fires & radiators
Visible light makes things able to be__.
seen
Ultraviolet rays absorbed by the___, used in___tubes
skin, fluorescent
X-rays is used to view inside of the____ and objects.
body
Gamma rays is used in medicine for killing___cells.
cancer