Worksheetsscireview
Total questions: 25
Worksheet time: 19mins
which of these formulas is used to solve for f (frequency)
1 over period (1/t)
all of the above
energy over planks constant (e/h)
velocity over wavelength (v/lambda)
what is planks constant?
6.63 x10^32
6.36 x10 ^34
6.36 x10^32
6. 63 x10^34
in SALT, what does A stand for?
(a)
in an EM wave, what is the phase difference between the electric and magnetic waves?
90 degrees
180 degrees
45 degrees
360 degrees
True or False: EM waves do not require a medium to propagate
True
False
the highest point in an EM wave spectrum
(a)
no. of complete waves that pass through a given point in time
frequency
wavelength
amplitude
energy
unit of frequency
(a)
what is the relationship of period and frequency
(a)
the lowest point of an EM wave
(a)
frequency range of microwave
3 x 10^4 - 3x10^12
3x10^8 - 3x10^11
application of radiowave
(a)
application of x ray
(a)
frequency range of visible light
4x10 ^14 - 8x10^14
3x10^11 - 4x10^14
high exposure of UV rays can cause ?
(a)
max displacement from the middle to the top/bottom of an EM wave
(a)
which EM waves allow you to see colors?
(a)
what type of mirror has these characteristics; same size, upright, virtual, same distance, left-right reverse
convex
concave
plane
convex lens
what type of mirror is used for makeup mirrors?
(a)
in a concave mirror, if the object is placed on the center, where will the image be?
focus
center
beyond center
between center and focus
the closer the object, the bigger and wider the image. what type of mirror?
concave
convex
plane
convex lens
what type of mirror is used for car side windows and CCTVs?
concave
convex
plane
convex lens
is this a converging or diverging spherical lens?
conv
div
in a convex lens, if the object is placed at the focus, where is the image?
at focus
at 2f
between f and 2f
no image
in this ray diagram, what is the value of n1 if the upper medium is air?
(a)
