Which side of visible light is EMR dangerous or not? Why?

b/c can't get inside our bodies

Young's Double slit experiment proved that light is a

wave because the light interfered with itself creating a dot pattern

wave because brighter light transfers more energy

particle because the energy of the individual photons determines the energy transferred

particle because two distinct bands were created

The Photoelectric Effect proved that light is a

particle because the energy of the individual photons determines the energy transferred

wave because the light interfered with itself creating a dot pattern

wave because brighter light transfers more energy

particle because two distinct bands were created

Match the following wave properties

When light bends when changing medium

According to Louis de Broglie, what is light?

Light is a particle that moves like a wave

Light is both a wave and a particle

How does the Photoelectric Effect make electricity? (select two)

Photons knock electrons off a metal plate

Electrons are caught by a metal plate

Electrons knock photons off a metal plate

Photons are caught by a light bulb

Why are there no electrons coming off the metal plate for the red light?

Red does not have enough energy

The red light is not bright enough

The red light missed the metal plate

Unit 5: Electromagnetic Waves Review

Authored by Laura Mitchell

Physics

9th - 12th Grade

NGSS covered

Used 27+ times

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20 questions

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DRAG AND DROP QUESTION

1 min • 1 pt

Rose petals are red because they (a) all colors except for red which is (b) .

absorb

reflected

reflect

absorbed

Tags

NGSS.HS-PS4-4

REORDER QUESTION

1 min • 2 pts

Reorder the following colors from greatest energy to least energy.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the correct way to write the speed of light?

$3.0\times10^8\ \frac{m}{s}$

$3.08\ \frac{m}{s}$

$3.0^8\ \frac{m}{s}$

$3\ \ \ 08\ \frac{m}{s}$

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the wavelength for a color with a frequency of $6.0\times10^{14}\ Hz$ ?
(Hint: Use the speed of light for velocity)

$5.0\times10^{-7}\ m$

$5.0\times10^{-7}\ nm$

$1.8\times10^{23}\ m$

$1.8\times10^{23}\ nm$

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

A light wave is traveling at $2.5\times10^7\ \frac{m}{s}$ with a wavelength of $1.5\times10^{-4}\ m$ . What is the light's frequency?

$1.67\times10^{11}\ Hz$

$1.67\times10^3\ Hz$

$3.75\times10^3\ Hz$

$3.75\times10^{11}\ Hz$

Tags

NGSS.HS-PS4-1

MATCH QUESTION

1 min • 2 pts

Match the following wavelengths to the color.

Red

$400\ nm$

Yellow

$5.50\times10^{-7}\ m$

Green

$6.45\times10^{-7}\ m$

Violet

$580\ nm$

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Some type of radiation has a wavelength of $5.9\times10^4\ m$ and a frequency of $1.8\times10^3\ Hz$ . What is the velocity of this radiation?

$1.06\times10^8\ \frac{m}{s}$

$3.28\times10^1\ \frac{m}{s}$

$3.05\times10^{-2}\ \frac{m}{s}$

$6.08\times10^4\ \frac{m}{s}$

Tags

NGSS.HS-PS4-1

MATCH QUESTION

1 min • 2 pts

Match the following frequencies to the type of EMR.

Gamma

$9.5\times10^{18}\ Hz$

Radio

$6.7\times10^{16}\ Hz$

$1.3\times10^4\ Hz$

X-Ray

$3.3\times10^9\ Hz$

Microwave

$2.5\times10^{21}\ Hz$

Tags

NGSS.HS-PS4-1

10.

LABELING QUESTION

1 min • 2 pts

Sound

343\ \frac{m}{s}

Air molecules

Electric and Magnetic Fields

3.0\times10^8\ \frac{m}{s}

Transversal

Radio

Longitudinal

Tags

NGSS.HS-PS4-1

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Unit 5: Electromagnetic Waves Review

Rose petals are red because they (a) all colors except for red which is ​ (b) .

Reorder the following colors from greatest energy to least energy.

Which is the correct way to write the speed of light?

What is the wavelength for a color with a frequency of 6.0×1014 Hz6.0\times10^{14}\ Hz6.0×1014 Hz ?(Hint: Use the speed of light for velocity)

A light wave is traveling at 2.5×107 ms2.5\times10^7\ \frac{m}{s}2.5×107 sm​ with a wavelength of 1.5×10−4 m1.5\times10^{-4}\ m1.5×10−4 m . What is the light's frequency?

Match the following wavelengths to the color.

Some type of radiation has a wavelength of 5.9×104 m5.9\times10^4\ m5.9×104 m and a frequency of 1.8×103 Hz1.8\times10^3\ Hz1.8×103 Hz . What is the velocity of this radiation?

Which side of visible light is EMR dangerous or not? Why?

Match the following frequencies to the type of EMR.

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Discover more resources for Physics

Rose petals are red because they (a) all colors except for red which is (b) .

What is the wavelength for a color with a frequency of $6.0\times10^{14}\ Hz$ ?
(Hint: Use the speed of light for velocity)

A light wave is traveling at $2.5\times10^7\ \frac{m}{s}$ with a wavelength of $1.5\times10^{-4}\ m$ . What is the light's frequency?

Some type of radiation has a wavelength of $5.9\times10^4\ m$ and a frequency of $1.8\times10^3\ Hz$ . What is the velocity of this radiation?